Home / 25,780.84-38,671.28-7,061.04

Finding the Fourth Proportional to 25,780.84, 38,671.28 and 7,061.04

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Solution

The fourth proportional to 25,780.84, 38,671.28 and 7,061.04 is: 10,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.84 : 38,671.28 = 7,061.04 : x
  2. Step 2: Convert to fraction form
    25,780.84/38,671.28 = 7,061.04/x
  3. Step 3: Cross multiply
    25,780.84x = 38,671.28 × 7,061.04
  4. Step 4: Simplify right side
    25,780.84x = 273,059,226.27
  5. Step 5: Solve for x
    x = 273,059,226.27/25,780.84
  6. Step 6: Final answer
    x = 10,591.56

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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.