Home / 17,562.90-26,331.55-7,169.30

Finding the Fourth Proportional to 17,562.90, 26,331.55 and 7,169.30

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Solution

The fourth proportional to 17,562.90, 26,331.55 and 7,169.30 is: 10,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,562.90 : 26,331.55 = 7,169.30 : x
  2. Step 2: Convert to fraction form
    17,562.90/26,331.55 = 7,169.30/x
  3. Step 3: Cross multiply
    17,562.90x = 26,331.55 × 7,169.30
  4. Step 4: Simplify right side
    17,562.90x = 188,778,781.42
  5. Step 5: Solve for x
    x = 188,778,781.42/17,562.90
  6. Step 6: Final answer
    x = 10,748.72

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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.