Home / 25,611.40-38,426.22-10,040.20

Finding the Fourth Proportional to 25,611.40, 38,426.22 and 10,040.20

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Solution

The fourth proportional to 25,611.40, 38,426.22 and 10,040.20 is: 15,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.40 : 38,426.22 = 10,040.20 : x
  2. Step 2: Convert to fraction form
    25,611.40/38,426.22 = 10,040.20/x
  3. Step 3: Cross multiply
    25,611.40x = 38,426.22 × 10,040.20
  4. Step 4: Simplify right side
    25,611.40x = 385,806,934.04
  5. Step 5: Solve for x
    x = 385,806,934.04/25,611.40
  6. Step 6: Final answer
    x = 15,063.88

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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.