Home / 25,631.42-38,446.90-8,101.26

Finding the Fourth Proportional to 25,631.42, 38,446.90 and 8,101.26

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Solution

The fourth proportional to 25,631.42, 38,446.90 and 8,101.26 is: 12,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.42 : 38,446.90 = 8,101.26 : x
  2. Step 2: Convert to fraction form
    25,631.42/38,446.90 = 8,101.26/x
  3. Step 3: Cross multiply
    25,631.42x = 38,446.90 × 8,101.26
  4. Step 4: Simplify right side
    25,631.42x = 311,468,312.84
  5. Step 5: Solve for x
    x = 311,468,312.84/25,631.42
  6. Step 6: Final answer
    x = 12,151.82

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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.