Home / 16,316.43-22,520.30-9,246.75

Finding the Fourth Proportional to 16,316.43, 22,520.30 and 9,246.75

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Solution

The fourth proportional to 16,316.43, 22,520.30 and 9,246.75 is: 12,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.43 : 22,520.30 = 9,246.75 : x
  2. Step 2: Convert to fraction form
    16,316.43/22,520.30 = 9,246.75/x
  3. Step 3: Cross multiply
    16,316.43x = 22,520.30 × 9,246.75
  4. Step 4: Simplify right side
    16,316.43x = 208,239,537.79
  5. Step 5: Solve for x
    x = 208,239,537.79/16,316.43
  6. Step 6: Final answer
    x = 12,762.57

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Half scale
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Double scale
Find fourth proportional to 16,317.43, 22,521.68 and 9,247.75
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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.