Home / 17,565.60-26,351.64-5,560.78

Finding the Fourth Proportional to 17,565.60, 26,351.64 and 5,560.78

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Solution

The fourth proportional to 17,565.60, 26,351.64 and 5,560.78 is: 8,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.60 : 26,351.64 = 5,560.78 : x
  2. Step 2: Convert to fraction form
    17,565.60/26,351.64 = 5,560.78/x
  3. Step 3: Cross multiply
    17,565.60x = 26,351.64 × 5,560.78
  4. Step 4: Simplify right side
    17,565.60x = 146,535,672.68
  5. Step 5: Solve for x
    x = 146,535,672.68/17,565.60
  6. Step 6: Final answer
    x = 8,342.20

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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.