Home / 13,294.08-18,347.52-8,332.80

Finding the Fourth Proportional to 13,294.08, 18,347.52 and 8,332.80

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Solution

The fourth proportional to 13,294.08, 18,347.52 and 8,332.80 is: 11,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.08 : 18,347.52 = 8,332.80 : x
  2. Step 2: Convert to fraction form
    13,294.08/18,347.52 = 8,332.80/x
  3. Step 3: Cross multiply
    13,294.08x = 18,347.52 × 8,332.80
  4. Step 4: Simplify right side
    13,294.08x = 152,886,214.66
  5. Step 5: Solve for x
    x = 152,886,214.66/13,294.08
  6. Step 6: Final answer
    x = 11,500.32

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Half scale
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Double scale
Find fourth proportional to 13,295.08, 18,348.90 and 8,333.80
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.