Home / 18,581.78-25,641.96-10,624.88

Finding the Fourth Proportional to 18,581.78, 25,641.96 and 10,624.88

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Solution

The fourth proportional to 18,581.78, 25,641.96 and 10,624.88 is: 14,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.78 : 25,641.96 = 10,624.88 : x
  2. Step 2: Convert to fraction form
    18,581.78/25,641.96 = 10,624.88/x
  3. Step 3: Cross multiply
    18,581.78x = 25,641.96 × 10,624.88
  4. Step 4: Simplify right side
    18,581.78x = 272,442,747.96
  5. Step 5: Solve for x
    x = 272,442,747.96/18,581.78
  6. Step 6: Final answer
    x = 14,661.82

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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.