Home / 17,761.43-26,496.56-17,278.77

Finding the Fourth Proportional to 17,761.43, 26,496.56 and 17,278.77

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Solution

The fourth proportional to 17,761.43, 26,496.56 and 17,278.77 is: 25,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.43 : 26,496.56 = 17,278.77 : x
  2. Step 2: Convert to fraction form
    17,761.43/26,496.56 = 17,278.77/x
  3. Step 3: Cross multiply
    17,761.43x = 26,496.56 × 17,278.77
  4. Step 4: Simplify right side
    17,761.43x = 457,828,108.59
  5. Step 5: Solve for x
    x = 457,828,108.59/17,761.43
  6. Step 6: Final answer
    x = 25,776.53

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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.