Home / 18,204.93-25,122.51-10,247.13

Finding the Fourth Proportional to 18,204.93, 25,122.51 and 10,247.13

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Solution

The fourth proportional to 18,204.93, 25,122.51 and 10,247.13 is: 14,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.93 : 25,122.51 = 10,247.13 : x
  2. Step 2: Convert to fraction form
    18,204.93/25,122.51 = 10,247.13/x
  3. Step 3: Cross multiply
    18,204.93x = 25,122.51 × 10,247.13
  4. Step 4: Simplify right side
    18,204.93x = 257,433,625.90
  5. Step 5: Solve for x
    x = 257,433,625.90/18,204.93
  6. Step 6: Final answer
    x = 14,140.87

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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.