Home / 15,014.30-20,722.25-9,046.53

Finding the Fourth Proportional to 15,014.30, 20,722.25 and 9,046.53

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Solution

The fourth proportional to 15,014.30, 20,722.25 and 9,046.53 is: 12,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014.30 : 20,722.25 = 9,046.53 : x
  2. Step 2: Convert to fraction form
    15,014.30/20,722.25 = 9,046.53/x
  3. Step 3: Cross multiply
    15,014.30x = 20,722.25 × 9,046.53
  4. Step 4: Simplify right side
    15,014.30x = 187,464,478.91
  5. Step 5: Solve for x
    x = 187,464,478.91/15,014.30
  6. Step 6: Final answer
    x = 12,485.73

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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.