Home / 22,697.38-31,325.13-13,744.63

Finding the Fourth Proportional to 22,697.38, 31,325.13 and 13,744.63

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Solution

The fourth proportional to 22,697.38, 31,325.13 and 13,744.63 is: 18,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697.38 : 31,325.13 = 13,744.63 : x
  2. Step 2: Convert to fraction form
    22,697.38/31,325.13 = 13,744.63/x
  3. Step 3: Cross multiply
    22,697.38x = 31,325.13 × 13,744.63
  4. Step 4: Simplify right side
    22,697.38x = 430,552,321.55
  5. Step 5: Solve for x
    x = 430,552,321.55/22,697.38
  6. Step 6: Final answer
    x = 18,969.25

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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.