Home / 18,614.34-25,687.53-12,338.46

Finding the Fourth Proportional to 18,614.34, 25,687.53 and 12,338.46

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Solution

The fourth proportional to 18,614.34, 25,687.53 and 12,338.46 is: 17,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.34 : 25,687.53 = 12,338.46 : x
  2. Step 2: Convert to fraction form
    18,614.34/25,687.53 = 12,338.46/x
  3. Step 3: Cross multiply
    18,614.34x = 25,687.53 × 12,338.46
  4. Step 4: Simplify right side
    18,614.34x = 316,944,561.40
  5. Step 5: Solve for x
    x = 316,944,561.40/18,614.34
  6. Step 6: Final answer
    x = 17,026.90

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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.