Home / 22,465.76-31,005.68-13,037.28

Finding the Fourth Proportional to 22,465.76, 31,005.68 and 13,037.28

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Solution

The fourth proportional to 22,465.76, 31,005.68 and 13,037.28 is: 17,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.76 : 31,005.68 = 13,037.28 : x
  2. Step 2: Convert to fraction form
    22,465.76/31,005.68 = 13,037.28/x
  3. Step 3: Cross multiply
    22,465.76x = 31,005.68 × 13,037.28
  4. Step 4: Simplify right side
    22,465.76x = 404,229,731.75
  5. Step 5: Solve for x
    x = 404,229,731.75/22,465.76
  6. Step 6: Final answer
    x = 17,993.15

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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.