Home / 18,394.32-27,595.80-5,246.88

Finding the Fourth Proportional to 18,394.32, 27,595.80 and 5,246.88

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Solution

The fourth proportional to 18,394.32, 27,595.80 and 5,246.88 is: 7,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.32 : 27,595.80 = 5,246.88 : x
  2. Step 2: Convert to fraction form
    18,394.32/27,595.80 = 5,246.88/x
  3. Step 3: Cross multiply
    18,394.32x = 27,595.80 × 5,246.88
  4. Step 4: Simplify right side
    18,394.32x = 144,791,851.10
  5. Step 5: Solve for x
    x = 144,791,851.10/18,394.32
  6. Step 6: Final answer
    x = 7,871.55

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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.