Home / 25,153.12-37,729.52-12,849.76

Finding the Fourth Proportional to 25,153.12, 37,729.52 and 12,849.76

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Solution

The fourth proportional to 25,153.12, 37,729.52 and 12,849.76 is: 19,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.12 : 37,729.52 = 12,849.76 : x
  2. Step 2: Convert to fraction form
    25,153.12/37,729.52 = 12,849.76/x
  3. Step 3: Cross multiply
    25,153.12x = 37,729.52 × 12,849.76
  4. Step 4: Simplify right side
    25,153.12x = 484,815,276.92
  5. Step 5: Solve for x
    x = 484,815,276.92/25,153.12
  6. Step 6: Final answer
    x = 19,274.56

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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.