Home / 18,557.39-25,609.17-10,174.43

Finding the Fourth Proportional to 18,557.39, 25,609.17 and 10,174.43

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Solution

The fourth proportional to 18,557.39, 25,609.17 and 10,174.43 is: 14,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.39 : 25,609.17 = 10,174.43 : x
  2. Step 2: Convert to fraction form
    18,557.39/25,609.17 = 10,174.43/x
  3. Step 3: Cross multiply
    18,557.39x = 25,609.17 × 10,174.43
  4. Step 4: Simplify right side
    18,557.39x = 260,558,707.52
  5. Step 5: Solve for x
    x = 260,558,707.52/18,557.39
  6. Step 6: Final answer
    x = 14,040.70

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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.