Home / 25,366.20-38,040.90-8,723.40

Finding the Fourth Proportional to 25,366.20, 38,040.90 and 8,723.40

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Solution

The fourth proportional to 25,366.20, 38,040.90 and 8,723.40 is: 13,082.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.20 : 38,040.90 = 8,723.40 : x
  2. Step 2: Convert to fraction form
    25,366.20/38,040.90 = 8,723.40/x
  3. Step 3: Cross multiply
    25,366.20x = 38,040.90 × 8,723.40
  4. Step 4: Simplify right side
    25,366.20x = 331,845,987.06
  5. Step 5: Solve for x
    x = 331,845,987.06/25,366.20
  6. Step 6: Final answer
    x = 13,082.21

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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.