Home / 26,616.72-36,733.65-19,890.68

Finding the Fourth Proportional to 26,616.72, 36,733.65 and 19,890.68

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Solution

The fourth proportional to 26,616.72, 36,733.65 and 19,890.68 is: 27,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.72 : 36,733.65 = 19,890.68 : x
  2. Step 2: Convert to fraction form
    26,616.72/36,733.65 = 19,890.68/x
  3. Step 3: Cross multiply
    26,616.72x = 36,733.65 × 19,890.68
  4. Step 4: Simplify right side
    26,616.72x = 730,657,093.71
  5. Step 5: Solve for x
    x = 730,657,093.71/26,616.72
  6. Step 6: Final answer
    x = 27,451.06

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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.