Home / 13,248.68-18,273.92-11,245.41

Finding the Fourth Proportional to 13,248.68, 18,273.92 and 11,245.41

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Solution

The fourth proportional to 13,248.68, 18,273.92 and 11,245.41 is: 15,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.68 : 18,273.92 = 11,245.41 : x
  2. Step 2: Convert to fraction form
    13,248.68/18,273.92 = 11,245.41/x
  3. Step 3: Cross multiply
    13,248.68x = 18,273.92 × 11,245.41
  4. Step 4: Simplify right side
    13,248.68x = 205,497,666.48
  5. Step 5: Solve for x
    x = 205,497,666.48/13,248.68
  6. Step 6: Final answer
    x = 15,510.81

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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.