Home / 15,219.96-22,828.68-5,985.96

Finding the Fourth Proportional to 15,219.96, 22,828.68 and 5,985.96

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Solution

The fourth proportional to 15,219.96, 22,828.68 and 5,985.96 is: 8,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.96 : 22,828.68 = 5,985.96 : x
  2. Step 2: Convert to fraction form
    15,219.96/22,828.68 = 5,985.96/x
  3. Step 3: Cross multiply
    15,219.96x = 22,828.68 × 5,985.96
  4. Step 4: Simplify right side
    15,219.96x = 136,651,565.33
  5. Step 5: Solve for x
    x = 136,651,565.33/15,219.96
  6. Step 6: Final answer
    x = 8,978.44

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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.