Home / 16,512.20-22,790.91-10,140.32

Finding the Fourth Proportional to 16,512.20, 22,790.91 and 10,140.32

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Solution

The fourth proportional to 16,512.20, 22,790.91 and 10,140.32 is: 13,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.20 : 22,790.91 = 10,140.32 : x
  2. Step 2: Convert to fraction form
    16,512.20/22,790.91 = 10,140.32/x
  3. Step 3: Cross multiply
    16,512.20x = 22,790.91 × 10,140.32
  4. Step 4: Simplify right side
    16,512.20x = 231,107,006.54
  5. Step 5: Solve for x
    x = 231,107,006.54/16,512.20
  6. Step 6: Final answer
    x = 13,996.14

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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.