Home / 23,339.69-32,211.54-13,269.65

Finding the Fourth Proportional to 23,339.69, 32,211.54 and 13,269.65

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Solution

The fourth proportional to 23,339.69, 32,211.54 and 13,269.65 is: 18,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,339.69 : 32,211.54 = 13,269.65 : x
  2. Step 2: Convert to fraction form
    23,339.69/32,211.54 = 13,269.65/x
  3. Step 3: Cross multiply
    23,339.69x = 32,211.54 × 13,269.65
  4. Step 4: Simplify right side
    23,339.69x = 427,435,861.76
  5. Step 5: Solve for x
    x = 427,435,861.76/23,339.69
  6. Step 6: Final answer
    x = 18,313.69

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Half scale
Find fourth proportional to 46,679.38, 64,423.08 and 26,539.30
Double scale
Find fourth proportional to 23,340.69, 32,212.92 and 13,270.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.