Home / 15,339.22-23,008.79-4,245.87

Finding the Fourth Proportional to 15,339.22, 23,008.79 and 4,245.87

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Solution

The fourth proportional to 15,339.22, 23,008.79 and 4,245.87 is: 6,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.22 : 23,008.79 = 4,245.87 : x
  2. Step 2: Convert to fraction form
    15,339.22/23,008.79 = 4,245.87/x
  3. Step 3: Cross multiply
    15,339.22x = 23,008.79 × 4,245.87
  4. Step 4: Simplify right side
    15,339.22x = 97,692,331.20
  5. Step 5: Solve for x
    x = 97,692,331.20/15,339.22
  6. Step 6: Final answer
    x = 6,368.79

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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.