Home / 18,813.76-25,963.27-10,316.66

Finding the Fourth Proportional to 18,813.76, 25,963.27 and 10,316.66

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Solution

The fourth proportional to 18,813.76, 25,963.27 and 10,316.66 is: 14,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.76 : 25,963.27 = 10,316.66 : x
  2. Step 2: Convert to fraction form
    18,813.76/25,963.27 = 10,316.66/x
  3. Step 3: Cross multiply
    18,813.76x = 25,963.27 × 10,316.66
  4. Step 4: Simplify right side
    18,813.76x = 267,854,229.08
  5. Step 5: Solve for x
    x = 267,854,229.08/18,813.76
  6. Step 6: Final answer
    x = 14,237.14

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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.