Home / 25,671.48-38,510.87-7,903.62

Finding the Fourth Proportional to 25,671.48, 38,510.87 and 7,903.62

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Solution

The fourth proportional to 25,671.48, 38,510.87 and 7,903.62 is: 11,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,671.48 : 38,510.87 = 7,903.62 : x
  2. Step 2: Convert to fraction form
    25,671.48/38,510.87 = 7,903.62/x
  3. Step 3: Cross multiply
    25,671.48x = 38,510.87 × 7,903.62
  4. Step 4: Simplify right side
    25,671.48x = 304,375,282.35
  5. Step 5: Solve for x
    x = 304,375,282.35/25,671.48
  6. Step 6: Final answer
    x = 11,856.55

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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.