Home / 18,207.29-25,125.11-10,249.25

Finding the Fourth Proportional to 18,207.29, 25,125.11 and 10,249.25

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Solution

The fourth proportional to 18,207.29, 25,125.11 and 10,249.25 is: 14,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.29 : 25,125.11 = 10,249.25 : x
  2. Step 2: Convert to fraction form
    18,207.29/25,125.11 = 10,249.25/x
  3. Step 3: Cross multiply
    18,207.29x = 25,125.11 × 10,249.25
  4. Step 4: Simplify right side
    18,207.29x = 257,513,482.42
  5. Step 5: Solve for x
    x = 257,513,482.42/18,207.29
  6. Step 6: Final answer
    x = 14,143.43

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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.