Home / 20,095.59-27,733.34-11,143.95

Finding the Fourth Proportional to 20,095.59, 27,733.34 and 11,143.95

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Solution

The fourth proportional to 20,095.59, 27,733.34 and 11,143.95 is: 15,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.59 : 27,733.34 = 11,143.95 : x
  2. Step 2: Convert to fraction form
    20,095.59/27,733.34 = 11,143.95/x
  3. Step 3: Cross multiply
    20,095.59x = 27,733.34 × 11,143.95
  4. Step 4: Simplify right side
    20,095.59x = 309,058,898.57
  5. Step 5: Solve for x
    x = 309,058,898.57/20,095.59
  6. Step 6: Final answer
    x = 15,379.44

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1.5x scale

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.