Home / 15,920.85-23,886.27-6,565.28

Finding the Fourth Proportional to 15,920.85, 23,886.27 and 6,565.28

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Solution

The fourth proportional to 15,920.85, 23,886.27 and 6,565.28 is: 9,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.85 : 23,886.27 = 6,565.28 : x
  2. Step 2: Convert to fraction form
    15,920.85/23,886.27 = 6,565.28/x
  3. Step 3: Cross multiply
    15,920.85x = 23,886.27 × 6,565.28
  4. Step 4: Simplify right side
    15,920.85x = 156,819,979.99
  5. Step 5: Solve for x
    x = 156,819,979.99/15,920.85
  6. Step 6: Final answer
    x = 9,849.97

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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.