Home / 17,707.68-26,565.12-7,320.96

Finding the Fourth Proportional to 17,707.68, 26,565.12 and 7,320.96

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Solution

The fourth proportional to 17,707.68, 26,565.12 and 7,320.96 is: 10,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,707.68 : 26,565.12 = 7,320.96 : x
  2. Step 2: Convert to fraction form
    17,707.68/26,565.12 = 7,320.96/x
  3. Step 3: Cross multiply
    17,707.68x = 26,565.12 × 7,320.96
  4. Step 4: Simplify right side
    17,707.68x = 194,482,180.92
  5. Step 5: Solve for x
    x = 194,482,180.92/17,707.68
  6. Step 6: Final answer
    x = 10,982.93

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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.