Home / 19,042.44-26,288.10-11,972.76

Finding the Fourth Proportional to 19,042.44, 26,288.10 and 11,972.76

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Solution

The fourth proportional to 19,042.44, 26,288.10 and 11,972.76 is: 16,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.44 : 26,288.10 = 11,972.76 : x
  2. Step 2: Convert to fraction form
    19,042.44/26,288.10 = 11,972.76/x
  3. Step 3: Cross multiply
    19,042.44x = 26,288.10 × 11,972.76
  4. Step 4: Simplify right side
    19,042.44x = 314,741,112.16
  5. Step 5: Solve for x
    x = 314,741,112.16/19,042.44
  6. Step 6: Final answer
    x = 16,528.40

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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.