Home / 25,530.40-38,295.62-8,001.59

Finding the Fourth Proportional to 25,530.40, 38,295.62 and 8,001.59

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Solution

The fourth proportional to 25,530.40, 38,295.62 and 8,001.59 is: 12,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.40 : 38,295.62 = 8,001.59 : x
  2. Step 2: Convert to fraction form
    25,530.40/38,295.62 = 8,001.59/x
  3. Step 3: Cross multiply
    25,530.40x = 38,295.62 × 8,001.59
  4. Step 4: Simplify right side
    25,530.40x = 306,425,850.04
  5. Step 5: Solve for x
    x = 306,425,850.04/25,530.40
  6. Step 6: Final answer
    x = 12,002.39

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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.