Home / 37,656.20-51,966.09-20,660.13

Finding the Fourth Proportional to 37,656.20, 51,966.09 and 20,660.13

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Solution

The fourth proportional to 37,656.20, 51,966.09 and 20,660.13 is: 28,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.20 : 51,966.09 = 20,660.13 : x
  2. Step 2: Convert to fraction form
    37,656.20/51,966.09 = 20,660.13/x
  3. Step 3: Cross multiply
    37,656.20x = 51,966.09 × 20,660.13
  4. Step 4: Simplify right side
    37,656.20x = 1,073,626,174.99
  5. Step 5: Solve for x
    x = 1,073,626,174.99/37,656.20
  6. Step 6: Final answer
    x = 28,511.28

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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.