Home / 25,656.28-38,477.36-8,789.04

Finding the Fourth Proportional to 25,656.28, 38,477.36 and 8,789.04

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Solution

The fourth proportional to 25,656.28, 38,477.36 and 8,789.04 is: 13,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.28 : 38,477.36 = 8,789.04 : x
  2. Step 2: Convert to fraction form
    25,656.28/38,477.36 = 8,789.04/x
  3. Step 3: Cross multiply
    25,656.28x = 38,477.36 × 8,789.04
  4. Step 4: Simplify right side
    25,656.28x = 338,179,056.13
  5. Step 5: Solve for x
    x = 338,179,056.13/25,656.28
  6. Step 6: Final answer
    x = 13,181.14

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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.