Home / 15,049.56-20,763.90-9,735.96

Finding the Fourth Proportional to 15,049.56, 20,763.90 and 9,735.96

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Solution

The fourth proportional to 15,049.56, 20,763.90 and 9,735.96 is: 13,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.56 : 20,763.90 = 9,735.96 : x
  2. Step 2: Convert to fraction form
    15,049.56/20,763.90 = 9,735.96/x
  3. Step 3: Cross multiply
    15,049.56x = 20,763.90 × 9,735.96
  4. Step 4: Simplify right side
    15,049.56x = 202,156,499.84
  5. Step 5: Solve for x
    x = 202,156,499.84/15,049.56
  6. Step 6: Final answer
    x = 13,432.72

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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.