Home / 17,565.76-26,348.64-7,177.50

Finding the Fourth Proportional to 17,565.76, 26,348.64 and 7,177.50

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Solution

The fourth proportional to 17,565.76, 26,348.64 and 7,177.50 is: 10,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.76 : 26,348.64 = 7,177.50 : x
  2. Step 2: Convert to fraction form
    17,565.76/26,348.64 = 7,177.50/x
  3. Step 3: Cross multiply
    17,565.76x = 26,348.64 × 7,177.50
  4. Step 4: Simplify right side
    17,565.76x = 189,117,363.60
  5. Step 5: Solve for x
    x = 189,117,363.60/17,565.76
  6. Step 6: Final answer
    x = 10,766.25

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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.