Home / 15,820.83-23,731.02-6,458.85

Finding the Fourth Proportional to 15,820.83, 23,731.02 and 6,458.85

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Solution

The fourth proportional to 15,820.83, 23,731.02 and 6,458.85 is: 9,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.83 : 23,731.02 = 6,458.85 : x
  2. Step 2: Convert to fraction form
    15,820.83/23,731.02 = 6,458.85/x
  3. Step 3: Cross multiply
    15,820.83x = 23,731.02 × 6,458.85
  4. Step 4: Simplify right side
    15,820.83x = 153,275,098.53
  5. Step 5: Solve for x
    x = 153,275,098.53/15,820.83
  6. Step 6: Final answer
    x = 9,688.18

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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.