Home / 15,032.55-20,738.30-9,060.69

Finding the Fourth Proportional to 15,032.55, 20,738.30 and 9,060.69

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Solution

The fourth proportional to 15,032.55, 20,738.30 and 9,060.69 is: 12,499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.55 : 20,738.30 = 9,060.69 : x
  2. Step 2: Convert to fraction form
    15,032.55/20,738.30 = 9,060.69/x
  3. Step 3: Cross multiply
    15,032.55x = 20,738.30 × 9,060.69
  4. Step 4: Simplify right side
    15,032.55x = 187,903,262.12
  5. Step 5: Solve for x
    x = 187,903,262.12/15,032.55
  6. Step 6: Final answer
    x = 12,499.76

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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.