Home / 20,079.70-30,123.86-6,038.56

Finding the Fourth Proportional to 20,079.70, 30,123.86 and 6,038.56

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Solution

The fourth proportional to 20,079.70, 30,123.86 and 6,038.56 is: 9,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.70 : 30,123.86 = 6,038.56 : x
  2. Step 2: Convert to fraction form
    20,079.70/30,123.86 = 6,038.56/x
  3. Step 3: Cross multiply
    20,079.70x = 30,123.86 × 6,038.56
  4. Step 4: Simplify right side
    20,079.70x = 181,904,736.04
  5. Step 5: Solve for x
    x = 181,904,736.04/20,079.70
  6. Step 6: Final answer
    x = 9,059.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.