Home / 22,580.91-31,163.27-13,627.91

Finding the Fourth Proportional to 22,580.91, 31,163.27 and 13,627.91

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Solution

The fourth proportional to 22,580.91, 31,163.27 and 13,627.91 is: 18,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.91 : 31,163.27 = 13,627.91 : x
  2. Step 2: Convert to fraction form
    22,580.91/31,163.27 = 13,627.91/x
  3. Step 3: Cross multiply
    22,580.91x = 31,163.27 × 13,627.91
  4. Step 4: Simplify right side
    22,580.91x = 424,690,248.63
  5. Step 5: Solve for x
    x = 424,690,248.63/22,580.91
  6. Step 6: Final answer
    x = 18,807.49

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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.