Home / 35,708.92-53,560.66-13,520.28

Finding the Fourth Proportional to 35,708.92, 53,560.66 and 13,520.28

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Solution

The fourth proportional to 35,708.92, 53,560.66 and 13,520.28 is: 20,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,708.92 : 53,560.66 = 13,520.28 : x
  2. Step 2: Convert to fraction form
    35,708.92/53,560.66 = 13,520.28/x
  3. Step 3: Cross multiply
    35,708.92x = 53,560.66 × 13,520.28
  4. Step 4: Simplify right side
    35,708.92x = 724,155,120.18
  5. Step 5: Solve for x
    x = 724,155,120.18/35,708.92
  6. Step 6: Final answer
    x = 20,279.39

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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.