Home / 18,147.76-25,045.97-10,192.56

Finding the Fourth Proportional to 18,147.76, 25,045.97 and 10,192.56

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Solution

The fourth proportional to 18,147.76, 25,045.97 and 10,192.56 is: 14,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.76 : 25,045.97 = 10,192.56 : x
  2. Step 2: Convert to fraction form
    18,147.76/25,045.97 = 10,192.56/x
  3. Step 3: Cross multiply
    18,147.76x = 25,045.97 × 10,192.56
  4. Step 4: Simplify right side
    18,147.76x = 255,282,551.98
  5. Step 5: Solve for x
    x = 255,282,551.98/18,147.76
  6. Step 6: Final answer
    x = 14,066.89

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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.