Home / 18,327.31-25,292.18-9,943.81

Finding the Fourth Proportional to 18,327.31, 25,292.18 and 9,943.81

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Solution

The fourth proportional to 18,327.31, 25,292.18 and 9,943.81 is: 13,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.31 : 25,292.18 = 9,943.81 : x
  2. Step 2: Convert to fraction form
    18,327.31/25,292.18 = 9,943.81/x
  3. Step 3: Cross multiply
    18,327.31x = 25,292.18 × 9,943.81
  4. Step 4: Simplify right side
    18,327.31x = 251,500,632.41
  5. Step 5: Solve for x
    x = 251,500,632.41/18,327.31
  6. Step 6: Final answer
    x = 13,722.72

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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.