Home / 15,138.03-22,726.49-12,844.11

Finding the Fourth Proportional to 15,138.03, 22,726.49 and 12,844.11

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Solution

The fourth proportional to 15,138.03, 22,726.49 and 12,844.11 is: 19,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138.03 : 22,726.49 = 12,844.11 : x
  2. Step 2: Convert to fraction form
    15,138.03/22,726.49 = 12,844.11/x
  3. Step 3: Cross multiply
    15,138.03x = 22,726.49 × 12,844.11
  4. Step 4: Simplify right side
    15,138.03x = 291,901,473.25
  5. Step 5: Solve for x
    x = 291,901,473.25/15,138.03
  6. Step 6: Final answer
    x = 19,282.66

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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.