Home / 25,515.30-38,272.95-20,594.55

Finding the Fourth Proportional to 25,515.30, 38,272.95 and 20,594.55

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Solution

The fourth proportional to 25,515.30, 38,272.95 and 20,594.55 is: 30,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.30 : 38,272.95 = 20,594.55 : x
  2. Step 2: Convert to fraction form
    25,515.30/38,272.95 = 20,594.55/x
  3. Step 3: Cross multiply
    25,515.30x = 38,272.95 × 20,594.55
  4. Step 4: Simplify right side
    25,515.30x = 788,214,182.42
  5. Step 5: Solve for x
    x = 788,214,182.42/25,515.30
  6. Step 6: Final answer
    x = 30,891.83

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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.