Home / 13,331.61-20,002.28-7,092.18

Finding the Fourth Proportional to 13,331.61, 20,002.28 and 7,092.18

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Solution

The fourth proportional to 13,331.61, 20,002.28 and 7,092.18 is: 10,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.61 : 20,002.28 = 7,092.18 : x
  2. Step 2: Convert to fraction form
    13,331.61/20,002.28 = 7,092.18/x
  3. Step 3: Cross multiply
    13,331.61x = 20,002.28 × 7,092.18
  4. Step 4: Simplify right side
    13,331.61x = 141,859,734.71
  5. Step 5: Solve for x
    x = 141,859,734.71/13,331.61
  6. Step 6: Final answer
    x = 10,640.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.