Home / 22,951.28-31,671.64-13,013.36

Finding the Fourth Proportional to 22,951.28, 31,671.64 and 13,013.36

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Solution

The fourth proportional to 22,951.28, 31,671.64 and 13,013.36 is: 17,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,951.28 : 31,671.64 = 13,013.36 : x
  2. Step 2: Convert to fraction form
    22,951.28/31,671.64 = 13,013.36/x
  3. Step 3: Cross multiply
    22,951.28x = 31,671.64 × 13,013.36
  4. Step 4: Simplify right side
    22,951.28x = 412,154,453.11
  5. Step 5: Solve for x
    x = 412,154,453.11/22,951.28
  6. Step 6: Final answer
    x = 17,957.80

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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.