Home / 18,107.20-24,987.49-10,040.81

Finding the Fourth Proportional to 18,107.20, 24,987.49 and 10,040.81

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Solution

The fourth proportional to 18,107.20, 24,987.49 and 10,040.81 is: 13,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.20 : 24,987.49 = 10,040.81 : x
  2. Step 2: Convert to fraction form
    18,107.20/24,987.49 = 10,040.81/x
  3. Step 3: Cross multiply
    18,107.20x = 24,987.49 × 10,040.81
  4. Step 4: Simplify right side
    18,107.20x = 250,894,639.47
  5. Step 5: Solve for x
    x = 250,894,639.47/18,107.20
  6. Step 6: Final answer
    x = 13,856.07

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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.