Home / 18,011.16-27,015.73-4,862.53

Finding the Fourth Proportional to 18,011.16, 27,015.73 and 4,862.53

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Solution

The fourth proportional to 18,011.16, 27,015.73 and 4,862.53 is: 7,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.16 : 27,015.73 = 4,862.53 : x
  2. Step 2: Convert to fraction form
    18,011.16/27,015.73 = 4,862.53/x
  3. Step 3: Cross multiply
    18,011.16x = 27,015.73 × 4,862.53
  4. Step 4: Simplify right side
    18,011.16x = 131,364,819.21
  5. Step 5: Solve for x
    x = 131,364,819.21/18,011.16
  6. Step 6: Final answer
    x = 7,293.52

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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.