Home / 22,862.48-31,555.72-13,436.24

Finding the Fourth Proportional to 22,862.48, 31,555.72 and 13,436.24

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Solution

The fourth proportional to 22,862.48, 31,555.72 and 13,436.24 is: 18,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.48 : 31,555.72 = 13,436.24 : x
  2. Step 2: Convert to fraction form
    22,862.48/31,555.72 = 13,436.24/x
  3. Step 3: Cross multiply
    22,862.48x = 31,555.72 × 13,436.24
  4. Step 4: Simplify right side
    22,862.48x = 423,990,227.29
  5. Step 5: Solve for x
    x = 423,990,227.29/22,862.48
  6. Step 6: Final answer
    x = 18,545.24

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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.