Home / 18,209.22-25,127.22-10,249.98

Finding the Fourth Proportional to 18,209.22, 25,127.22 and 10,249.98

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Solution

The fourth proportional to 18,209.22, 25,127.22 and 10,249.98 is: 14,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.22 : 25,127.22 = 10,249.98 : x
  2. Step 2: Convert to fraction form
    18,209.22/25,127.22 = 10,249.98/x
  3. Step 3: Cross multiply
    18,209.22x = 25,127.22 × 10,249.98
  4. Step 4: Simplify right side
    18,209.22x = 257,553,502.46
  5. Step 5: Solve for x
    x = 257,553,502.46/18,209.22
  6. Step 6: Final answer
    x = 14,144.13

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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.