Home / 18,017.18-27,026.45-4,869.56

Finding the Fourth Proportional to 18,017.18, 27,026.45 and 4,869.56

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Solution

The fourth proportional to 18,017.18, 27,026.45 and 4,869.56 is: 7,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.18 : 27,026.45 = 4,869.56 : x
  2. Step 2: Convert to fraction form
    18,017.18/27,026.45 = 4,869.56/x
  3. Step 3: Cross multiply
    18,017.18x = 27,026.45 × 4,869.56
  4. Step 4: Simplify right side
    18,017.18x = 131,606,856.71
  5. Step 5: Solve for x
    x = 131,606,856.71/18,017.18
  6. Step 6: Final answer
    x = 7,304.52

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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.