Home / 18,715.50-25,827.39-10,332.54

Finding the Fourth Proportional to 18,715.50, 25,827.39 and 10,332.54

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Solution

The fourth proportional to 18,715.50, 25,827.39 and 10,332.54 is: 14,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715.50 : 25,827.39 = 10,332.54 : x
  2. Step 2: Convert to fraction form
    18,715.50/25,827.39 = 10,332.54/x
  3. Step 3: Cross multiply
    18,715.50x = 25,827.39 × 10,332.54
  4. Step 4: Simplify right side
    18,715.50x = 266,862,540.27
  5. Step 5: Solve for x
    x = 266,862,540.27/18,715.50
  6. Step 6: Final answer
    x = 14,258.91

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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.