Home / 18,036.20-24,889.84-10,078.36

Finding the Fourth Proportional to 18,036.20, 24,889.84 and 10,078.36

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Solution

The fourth proportional to 18,036.20, 24,889.84 and 10,078.36 is: 13,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.20 : 24,889.84 = 10,078.36 : x
  2. Step 2: Convert to fraction form
    18,036.20/24,889.84 = 10,078.36/x
  3. Step 3: Cross multiply
    18,036.20x = 24,889.84 × 10,078.36
  4. Step 4: Simplify right side
    18,036.20x = 250,848,680.44
  5. Step 5: Solve for x
    x = 250,848,680.44/18,036.20
  6. Step 6: Final answer
    x = 13,908.07

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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.