Home / 18,186.24-25,141.73-18,019.92

Finding the Fourth Proportional to 18,186.24, 25,141.73 and 18,019.92

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Solution

The fourth proportional to 18,186.24, 25,141.73 and 18,019.92 is: 24,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.24 : 25,141.73 = 18,019.92 : x
  2. Step 2: Convert to fraction form
    18,186.24/25,141.73 = 18,019.92/x
  3. Step 3: Cross multiply
    18,186.24x = 25,141.73 × 18,019.92
  4. Step 4: Simplify right side
    18,186.24x = 453,051,963.26
  5. Step 5: Solve for x
    x = 453,051,963.26/18,186.24
  6. Step 6: Final answer
    x = 24,911.80

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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.