Home / 22,469.66-31,002.60-13,736.12

Finding the Fourth Proportional to 22,469.66, 31,002.60 and 13,736.12

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Solution

The fourth proportional to 22,469.66, 31,002.60 and 13,736.12 is: 18,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.66 : 31,002.60 = 13,736.12 : x
  2. Step 2: Convert to fraction form
    22,469.66/31,002.60 = 13,736.12/x
  3. Step 3: Cross multiply
    22,469.66x = 31,002.60 × 13,736.12
  4. Step 4: Simplify right side
    22,469.66x = 425,855,278.90
  5. Step 5: Solve for x
    x = 425,855,278.90/22,469.66
  6. Step 6: Final answer
    x = 18,952.46

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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.