Home / 26,051.16-38,899.89-20,726.61

Finding the Fourth Proportional to 26,051.16, 38,899.89 and 20,726.61

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Solution

The fourth proportional to 26,051.16, 38,899.89 and 20,726.61 is: 30,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,051.16 : 38,899.89 = 20,726.61 : x
  2. Step 2: Convert to fraction form
    26,051.16/38,899.89 = 20,726.61/x
  3. Step 3: Cross multiply
    26,051.16x = 38,899.89 × 20,726.61
  4. Step 4: Simplify right side
    26,051.16x = 806,262,849.07
  5. Step 5: Solve for x
    x = 806,262,849.07/26,051.16
  6. Step 6: Final answer
    x = 30,949.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.