Home / 18,666.28-25,760.74-10,710.76

Finding the Fourth Proportional to 18,666.28, 25,760.74 and 10,710.76

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Solution

The fourth proportional to 18,666.28, 25,760.74 and 10,710.76 is: 14,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.28 : 25,760.74 = 10,710.76 : x
  2. Step 2: Convert to fraction form
    18,666.28/25,760.74 = 10,710.76/x
  3. Step 3: Cross multiply
    18,666.28x = 25,760.74 × 10,710.76
  4. Step 4: Simplify right side
    18,666.28x = 275,917,103.56
  5. Step 5: Solve for x
    x = 275,917,103.56/18,666.28
  6. Step 6: Final answer
    x = 14,781.58

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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.