Home / 18,191.79-25,103.31-10,232.48

Finding the Fourth Proportional to 18,191.79, 25,103.31 and 10,232.48

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Solution

The fourth proportional to 18,191.79, 25,103.31 and 10,232.48 is: 14,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.79 : 25,103.31 = 10,232.48 : x
  2. Step 2: Convert to fraction form
    18,191.79/25,103.31 = 10,232.48/x
  3. Step 3: Cross multiply
    18,191.79x = 25,103.31 × 10,232.48
  4. Step 4: Simplify right side
    18,191.79x = 256,869,029.47
  5. Step 5: Solve for x
    x = 256,869,029.47/18,191.79
  6. Step 6: Final answer
    x = 14,120.05

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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.