Home / 25,972.63-38,968.22-8,442.52

Finding the Fourth Proportional to 25,972.63, 38,968.22 and 8,442.52

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Solution

The fourth proportional to 25,972.63, 38,968.22 and 8,442.52 is: 12,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.63 : 38,968.22 = 8,442.52 : x
  2. Step 2: Convert to fraction form
    25,972.63/38,968.22 = 8,442.52/x
  3. Step 3: Cross multiply
    25,972.63x = 38,968.22 × 8,442.52
  4. Step 4: Simplify right side
    25,972.63x = 328,989,934.50
  5. Step 5: Solve for x
    x = 328,989,934.50/25,972.63
  6. Step 6: Final answer
    x = 12,666.79

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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.