Home / 21,746.71-29,943.72-19,042.46

Finding the Fourth Proportional to 21,746.71, 29,943.72 and 19,042.46

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Solution

The fourth proportional to 21,746.71, 29,943.72 and 19,042.46 is: 26,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.71 : 29,943.72 = 19,042.46 : x
  2. Step 2: Convert to fraction form
    21,746.71/29,943.72 = 19,042.46/x
  3. Step 3: Cross multiply
    21,746.71x = 29,943.72 × 19,042.46
  4. Step 4: Simplify right side
    21,746.71x = 570,201,940.63
  5. Step 5: Solve for x
    x = 570,201,940.63/21,746.71
  6. Step 6: Final answer
    x = 26,220.15

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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.