Home / 19,143.98-26,418.15-10,645.97

Finding the Fourth Proportional to 19,143.98, 26,418.15 and 10,645.97

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Solution

The fourth proportional to 19,143.98, 26,418.15 and 10,645.97 is: 14,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.98 : 26,418.15 = 10,645.97 : x
  2. Step 2: Convert to fraction form
    19,143.98/26,418.15 = 10,645.97/x
  3. Step 3: Cross multiply
    19,143.98x = 26,418.15 × 10,645.97
  4. Step 4: Simplify right side
    19,143.98x = 281,246,700.26
  5. Step 5: Solve for x
    x = 281,246,700.26/19,143.98
  6. Step 6: Final answer
    x = 14,691.13

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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.