Home / 18,542.14-25,587.81-10,158.58

Finding the Fourth Proportional to 18,542.14, 25,587.81 and 10,158.58

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Solution

The fourth proportional to 18,542.14, 25,587.81 and 10,158.58 is: 14,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.14 : 25,587.81 = 10,158.58 : x
  2. Step 2: Convert to fraction form
    18,542.14/25,587.81 = 10,158.58/x
  3. Step 3: Cross multiply
    18,542.14x = 25,587.81 × 10,158.58
  4. Step 4: Simplify right side
    18,542.14x = 259,935,814.91
  5. Step 5: Solve for x
    x = 259,935,814.91/18,542.14
  6. Step 6: Final answer
    x = 14,018.65

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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.