Home / 25,892.20-38,849.10-8,367.40

Finding the Fourth Proportional to 25,892.20, 38,849.10 and 8,367.40

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Solution

The fourth proportional to 25,892.20, 38,849.10 and 8,367.40 is: 12,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,892.20 : 38,849.10 = 8,367.40 : x
  2. Step 2: Convert to fraction form
    25,892.20/38,849.10 = 8,367.40/x
  3. Step 3: Cross multiply
    25,892.20x = 38,849.10 × 8,367.40
  4. Step 4: Simplify right side
    25,892.20x = 325,065,959.34
  5. Step 5: Solve for x
    x = 325,065,959.34/25,892.20
  6. Step 6: Final answer
    x = 12,554.59

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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.