Home / 25,888.59-38,774.55-18,132.03

Finding the Fourth Proportional to 25,888.59, 38,774.55 and 18,132.03

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Solution

The fourth proportional to 25,888.59, 38,774.55 and 18,132.03 is: 27,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.59 : 38,774.55 = 18,132.03 : x
  2. Step 2: Convert to fraction form
    25,888.59/38,774.55 = 18,132.03/x
  3. Step 3: Cross multiply
    25,888.59x = 38,774.55 × 18,132.03
  4. Step 4: Simplify right side
    25,888.59x = 703,061,213.18
  5. Step 5: Solve for x
    x = 703,061,213.18/25,888.59
  6. Step 6: Final answer
    x = 27,157.18

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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.