Home / 25,941.12-38,897.76-8,168.44

Finding the Fourth Proportional to 25,941.12, 38,897.76 and 8,168.44

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Solution

The fourth proportional to 25,941.12, 38,897.76 and 8,168.44 is: 12,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,941.12 : 38,897.76 = 8,168.44 : x
  2. Step 2: Convert to fraction form
    25,941.12/38,897.76 = 8,168.44/x
  3. Step 3: Cross multiply
    25,941.12x = 38,897.76 × 8,168.44
  4. Step 4: Simplify right side
    25,941.12x = 317,734,018.69
  5. Step 5: Solve for x
    x = 317,734,018.69/25,941.12
  6. Step 6: Final answer
    x = 12,248.28

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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.