Home / 21,625.07-29,818.47-17,732.66

Finding the Fourth Proportional to 21,625.07, 29,818.47 and 17,732.66

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Solution

The fourth proportional to 21,625.07, 29,818.47 and 17,732.66 is: 24,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.07 : 29,818.47 = 17,732.66 : x
  2. Step 2: Convert to fraction form
    21,625.07/29,818.47 = 17,732.66/x
  3. Step 3: Cross multiply
    21,625.07x = 29,818.47 × 17,732.66
  4. Step 4: Simplify right side
    21,625.07x = 528,760,641.14
  5. Step 5: Solve for x
    x = 528,760,641.14/21,625.07
  6. Step 6: Final answer
    x = 24,451.29

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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.