Home / 19,126.22-26,397.31-15,934.45

Finding the Fourth Proportional to 19,126.22, 26,397.31 and 15,934.45

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Solution

The fourth proportional to 19,126.22, 26,397.31 and 15,934.45 is: 21,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.22 : 26,397.31 = 15,934.45 : x
  2. Step 2: Convert to fraction form
    19,126.22/26,397.31 = 15,934.45/x
  3. Step 3: Cross multiply
    19,126.22x = 26,397.31 × 15,934.45
  4. Step 4: Simplify right side
    19,126.22x = 420,626,694.22
  5. Step 5: Solve for x
    x = 420,626,694.22/19,126.22
  6. Step 6: Final answer
    x = 21,992.15

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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.