Home / 25,972.38-38,967.84-8,442.27

Finding the Fourth Proportional to 25,972.38, 38,967.84 and 8,442.27

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Solution

The fourth proportional to 25,972.38, 38,967.84 and 8,442.27 is: 12,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.38 : 38,967.84 = 8,442.27 : x
  2. Step 2: Convert to fraction form
    25,972.38/38,967.84 = 8,442.27/x
  3. Step 3: Cross multiply
    25,972.38x = 38,967.84 × 8,442.27
  4. Step 4: Simplify right side
    25,972.38x = 328,977,026.60
  5. Step 5: Solve for x
    x = 328,977,026.60/25,972.38
  6. Step 6: Final answer
    x = 12,666.42

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1.5x scale

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.