Home / 19,624.32-29,401.92-18,455.04

Finding the Fourth Proportional to 19,624.32, 29,401.92 and 18,455.04

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Solution

The fourth proportional to 19,624.32, 29,401.92 and 18,455.04 is: 27,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.32 : 29,401.92 = 18,455.04 : x
  2. Step 2: Convert to fraction form
    19,624.32/29,401.92 = 18,455.04/x
  3. Step 3: Cross multiply
    19,624.32x = 29,401.92 × 18,455.04
  4. Step 4: Simplify right side
    19,624.32x = 542,613,609.68
  5. Step 5: Solve for x
    x = 542,613,609.68/19,624.32
  6. Step 6: Final answer
    x = 27,650.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.