Home / 18,299.73-25,253.76-9,916.23

Finding the Fourth Proportional to 18,299.73, 25,253.76 and 9,916.23

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Solution

The fourth proportional to 18,299.73, 25,253.76 and 9,916.23 is: 13,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.73 : 25,253.76 = 9,916.23 : x
  2. Step 2: Convert to fraction form
    18,299.73/25,253.76 = 9,916.23/x
  3. Step 3: Cross multiply
    18,299.73x = 25,253.76 × 9,916.23
  4. Step 4: Simplify right side
    18,299.73x = 250,422,092.52
  5. Step 5: Solve for x
    x = 250,422,092.52/18,299.73
  6. Step 6: Final answer
    x = 13,684.47

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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.