Home / 22,562.02-31,138.78-13,133.62

Finding the Fourth Proportional to 22,562.02, 31,138.78 and 13,133.62

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Solution

The fourth proportional to 22,562.02, 31,138.78 and 13,133.62 is: 18,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,562.02 : 31,138.78 = 13,133.62 : x
  2. Step 2: Convert to fraction form
    22,562.02/31,138.78 = 13,133.62/x
  3. Step 3: Cross multiply
    22,562.02x = 31,138.78 × 13,133.62
  4. Step 4: Simplify right side
    22,562.02x = 408,964,903.78
  5. Step 5: Solve for x
    x = 408,964,903.78/22,562.02
  6. Step 6: Final answer
    x = 18,126.25

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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.