Home / 18,040.32-27,111.42-10,648.26

Finding the Fourth Proportional to 18,040.32, 27,111.42 and 10,648.26

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Solution

The fourth proportional to 18,040.32, 27,111.42 and 10,648.26 is: 16,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.32 : 27,111.42 = 10,648.26 : x
  2. Step 2: Convert to fraction form
    18,040.32/27,111.42 = 10,648.26/x
  3. Step 3: Cross multiply
    18,040.32x = 27,111.42 × 10,648.26
  4. Step 4: Simplify right side
    18,040.32x = 288,689,449.13
  5. Step 5: Solve for x
    x = 288,689,449.13/18,040.32
  6. Step 6: Final answer
    x = 16,002.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.