Home / 18,731.51-25,849.67-10,233.90

Finding the Fourth Proportional to 18,731.51, 25,849.67 and 10,233.90

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Solution

The fourth proportional to 18,731.51, 25,849.67 and 10,233.90 is: 14,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.51 : 25,849.67 = 10,233.90 : x
  2. Step 2: Convert to fraction form
    18,731.51/25,849.67 = 10,233.90/x
  3. Step 3: Cross multiply
    18,731.51x = 25,849.67 × 10,233.90
  4. Step 4: Simplify right side
    18,731.51x = 264,542,886.64
  5. Step 5: Solve for x
    x = 264,542,886.64/18,731.51
  6. Step 6: Final answer
    x = 14,122.88

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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.