Home / 33,127-45,715.12-18,591.20

Finding the Fourth Proportional to 33,127, 45,715.12 and 18,591.20

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Solution

The fourth proportional to 33,127, 45,715.12 and 18,591.20 is: 25,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127 : 45,715.12 = 18,591.20 : x
  2. Step 2: Convert to fraction form
    33,127/45,715.12 = 18,591.20/x
  3. Step 3: Cross multiply
    33,127x = 45,715.12 × 18,591.20
  4. Step 4: Simplify right side
    33,127x = 849,898,938.94
  5. Step 5: Solve for x
    x = 849,898,938.94/33,127
  6. Step 6: Final answer
    x = 25,655.78

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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.