Home / 21,746.27-29,943.12-19,042.02

Finding the Fourth Proportional to 21,746.27, 29,943.12 and 19,042.02

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Solution

The fourth proportional to 21,746.27, 29,943.12 and 19,042.02 is: 26,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.27 : 29,943.12 = 19,042.02 : x
  2. Step 2: Convert to fraction form
    21,746.27/29,943.12 = 19,042.02/x
  3. Step 3: Cross multiply
    21,746.27x = 29,943.12 × 19,042.02
  4. Step 4: Simplify right side
    21,746.27x = 570,177,489.90
  5. Step 5: Solve for x
    x = 570,177,489.90/21,746.27
  6. Step 6: Final answer
    x = 26,219.55

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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.