Home / 22,867.61-31,553.49-13,437.99

Finding the Fourth Proportional to 22,867.61, 31,553.49 and 13,437.99

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Solution

The fourth proportional to 22,867.61, 31,553.49 and 13,437.99 is: 18,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,867.61 : 31,553.49 = 13,437.99 : x
  2. Step 2: Convert to fraction form
    22,867.61/31,553.49 = 13,437.99/x
  3. Step 3: Cross multiply
    22,867.61x = 31,553.49 × 13,437.99
  4. Step 4: Simplify right side
    22,867.61x = 424,015,483.09
  5. Step 5: Solve for x
    x = 424,015,483.09/22,867.61
  6. Step 6: Final answer
    x = 18,542.19

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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.