Home / 18,039.32-24,891.52-10,081.88

Finding the Fourth Proportional to 18,039.32, 24,891.52 and 10,081.88

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Solution

The fourth proportional to 18,039.32, 24,891.52 and 10,081.88 is: 13,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.32 : 24,891.52 = 10,081.88 : x
  2. Step 2: Convert to fraction form
    18,039.32/24,891.52 = 10,081.88/x
  3. Step 3: Cross multiply
    18,039.32x = 24,891.52 × 10,081.88
  4. Step 4: Simplify right side
    18,039.32x = 250,953,317.66
  5. Step 5: Solve for x
    x = 250,953,317.66/18,039.32
  6. Step 6: Final answer
    x = 13,911.46

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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.