Home / 25,173.15-34,730.30-15,609.60

Finding the Fourth Proportional to 25,173.15, 34,730.30 and 15,609.60

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Solution

The fourth proportional to 25,173.15, 34,730.30 and 15,609.60 is: 21,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.15 : 34,730.30 = 15,609.60 : x
  2. Step 2: Convert to fraction form
    25,173.15/34,730.30 = 15,609.60/x
  3. Step 3: Cross multiply
    25,173.15x = 34,730.30 × 15,609.60
  4. Step 4: Simplify right side
    25,173.15x = 542,126,012.83
  5. Step 5: Solve for x
    x = 542,126,012.83/25,173.15
  6. Step 6: Final answer
    x = 21,535.88

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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.