Home / 25,476.64-38,215.40-8,837.20

Finding the Fourth Proportional to 25,476.64, 38,215.40 and 8,837.20

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Solution

The fourth proportional to 25,476.64, 38,215.40 and 8,837.20 is: 13,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.64 : 38,215.40 = 8,837.20 : x
  2. Step 2: Convert to fraction form
    25,476.64/38,215.40 = 8,837.20/x
  3. Step 3: Cross multiply
    25,476.64x = 38,215.40 × 8,837.20
  4. Step 4: Simplify right side
    25,476.64x = 337,717,132.88
  5. Step 5: Solve for x
    x = 337,717,132.88/25,476.64
  6. Step 6: Final answer
    x = 13,255.95

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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.