Home / 18,837.24-25,995.18-10,881.96

Finding the Fourth Proportional to 18,837.24, 25,995.18 and 10,881.96

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Solution

The fourth proportional to 18,837.24, 25,995.18 and 10,881.96 is: 15,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.24 : 25,995.18 = 10,881.96 : x
  2. Step 2: Convert to fraction form
    18,837.24/25,995.18 = 10,881.96/x
  3. Step 3: Cross multiply
    18,837.24x = 25,995.18 × 10,881.96
  4. Step 4: Simplify right side
    18,837.24x = 282,878,508.95
  5. Step 5: Solve for x
    x = 282,878,508.95/18,837.24
  6. Step 6: Final answer
    x = 15,016.98

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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.