Home / 19,876.13-27,432.71-11,492.63

Finding the Fourth Proportional to 19,876.13, 27,432.71 and 11,492.63

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Solution

The fourth proportional to 19,876.13, 27,432.71 and 11,492.63 is: 15,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876.13 : 27,432.71 = 11,492.63 : x
  2. Step 2: Convert to fraction form
    19,876.13/27,432.71 = 11,492.63/x
  3. Step 3: Cross multiply
    19,876.13x = 27,432.71 × 11,492.63
  4. Step 4: Simplify right side
    19,876.13x = 315,273,791.30
  5. Step 5: Solve for x
    x = 315,273,791.30/19,876.13
  6. Step 6: Final answer
    x = 15,861.93

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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.