Home / 25,972.13-38,967.47-8,442.02

Finding the Fourth Proportional to 25,972.13, 38,967.47 and 8,442.02

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Solution

The fourth proportional to 25,972.13, 38,967.47 and 8,442.02 is: 12,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.13 : 38,967.47 = 8,442.02 : x
  2. Step 2: Convert to fraction form
    25,972.13/38,967.47 = 8,442.02/x
  3. Step 3: Cross multiply
    25,972.13x = 38,967.47 × 8,442.02
  4. Step 4: Simplify right side
    25,972.13x = 328,964,118.88
  5. Step 5: Solve for x
    x = 328,964,118.88/25,972.13
  6. Step 6: Final answer
    x = 12,666.04

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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.