Home / 18,502.07-25,531.39-10,542.74

Finding the Fourth Proportional to 18,502.07, 25,531.39 and 10,542.74

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Solution

The fourth proportional to 18,502.07, 25,531.39 and 10,542.74 is: 14,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.07 : 25,531.39 = 10,542.74 : x
  2. Step 2: Convert to fraction form
    18,502.07/25,531.39 = 10,542.74/x
  3. Step 3: Cross multiply
    18,502.07x = 25,531.39 × 10,542.74
  4. Step 4: Simplify right side
    18,502.07x = 269,170,806.61
  5. Step 5: Solve for x
    x = 269,170,806.61/18,502.07
  6. Step 6: Final answer
    x = 14,548.15

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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.