Home / 20,064.52-27,690.08-11,113

Finding the Fourth Proportional to 20,064.52, 27,690.08 and 11,113

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Solution

The fourth proportional to 20,064.52, 27,690.08 and 11,113 is: 15,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.52 : 27,690.08 = 11,113 : x
  2. Step 2: Convert to fraction form
    20,064.52/27,690.08 = 11,113/x
  3. Step 3: Cross multiply
    20,064.52x = 27,690.08 × 11,113
  4. Step 4: Simplify right side
    20,064.52x = 307,719,859.04
  5. Step 5: Solve for x
    x = 307,719,859.04/20,064.52
  6. Step 6: Final answer
    x = 15,336.52

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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.