Home / 15,053.46-20,770.20-9,082.86

Finding the Fourth Proportional to 15,053.46, 20,770.20 and 9,082.86

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Solution

The fourth proportional to 15,053.46, 20,770.20 and 9,082.86 is: 12,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.46 : 20,770.20 = 9,082.86 : x
  2. Step 2: Convert to fraction form
    15,053.46/20,770.20 = 9,082.86/x
  3. Step 3: Cross multiply
    15,053.46x = 20,770.20 × 9,082.86
  4. Step 4: Simplify right side
    15,053.46x = 188,652,818.77
  5. Step 5: Solve for x
    x = 188,652,818.77/15,053.46
  6. Step 6: Final answer
    x = 12,532.19

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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.