Home / 18,351.04-25,330.16-11,727.04

Finding the Fourth Proportional to 18,351.04, 25,330.16 and 11,727.04

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Solution

The fourth proportional to 18,351.04, 25,330.16 and 11,727.04 is: 16,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.04 : 25,330.16 = 11,727.04 : x
  2. Step 2: Convert to fraction form
    18,351.04/25,330.16 = 11,727.04/x
  3. Step 3: Cross multiply
    18,351.04x = 25,330.16 × 11,727.04
  4. Step 4: Simplify right side
    18,351.04x = 297,047,799.53
  5. Step 5: Solve for x
    x = 297,047,799.53/18,351.04
  6. Step 6: Final answer
    x = 16,186.97

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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.