Home / 18,191.89-25,102.91-10,233.44

Finding the Fourth Proportional to 18,191.89, 25,102.91 and 10,233.44

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Solution

The fourth proportional to 18,191.89, 25,102.91 and 10,233.44 is: 14,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.89 : 25,102.91 = 10,233.44 : x
  2. Step 2: Convert to fraction form
    18,191.89/25,102.91 = 10,233.44/x
  3. Step 3: Cross multiply
    18,191.89x = 25,102.91 × 10,233.44
  4. Step 4: Simplify right side
    18,191.89x = 256,889,117.52
  5. Step 5: Solve for x
    x = 256,889,117.52/18,191.89
  6. Step 6: Final answer
    x = 14,121.08

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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.