Home / 13,366.20-20,126.13-10,294.20

Finding the Fourth Proportional to 13,366.20, 20,126.13 and 10,294.20

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Solution

The fourth proportional to 13,366.20, 20,126.13 and 10,294.20 is: 15,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.20 : 20,126.13 = 10,294.20 : x
  2. Step 2: Convert to fraction form
    13,366.20/20,126.13 = 10,294.20/x
  3. Step 3: Cross multiply
    13,366.20x = 20,126.13 × 10,294.20
  4. Step 4: Simplify right side
    13,366.20x = 207,182,407.45
  5. Step 5: Solve for x
    x = 207,182,407.45/13,366.20
  6. Step 6: Final answer
    x = 15,500.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.