Home / 25,589.85-35,304.62-15,511.02

Finding the Fourth Proportional to 25,589.85, 35,304.62 and 15,511.02

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Solution

The fourth proportional to 25,589.85, 35,304.62 and 15,511.02 is: 21,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.85 : 35,304.62 = 15,511.02 : x
  2. Step 2: Convert to fraction form
    25,589.85/35,304.62 = 15,511.02/x
  3. Step 3: Cross multiply
    25,589.85x = 35,304.62 × 15,511.02
  4. Step 4: Simplify right side
    25,589.85x = 547,610,666.91
  5. Step 5: Solve for x
    x = 547,610,666.91/25,589.85
  6. Step 6: Final answer
    x = 21,399.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.