Home / 22,849.47-31,542.51-13,418.64

Finding the Fourth Proportional to 22,849.47, 31,542.51 and 13,418.64

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Solution

The fourth proportional to 22,849.47, 31,542.51 and 13,418.64 is: 18,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,849.47 : 31,542.51 = 13,418.64 : x
  2. Step 2: Convert to fraction form
    22,849.47/31,542.51 = 13,418.64/x
  3. Step 3: Cross multiply
    22,849.47x = 31,542.51 × 13,418.64
  4. Step 4: Simplify right side
    22,849.47x = 423,257,586.39
  5. Step 5: Solve for x
    x = 423,257,586.39/22,849.47
  6. Step 6: Final answer
    x = 18,523.74

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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.