Home / 26,618.13-39,953.61-14,138.26

Finding the Fourth Proportional to 26,618.13, 39,953.61 and 14,138.26

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Solution

The fourth proportional to 26,618.13, 39,953.61 and 14,138.26 is: 21,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.13 : 39,953.61 = 14,138.26 : x
  2. Step 2: Convert to fraction form
    26,618.13/39,953.61 = 14,138.26/x
  3. Step 3: Cross multiply
    26,618.13x = 39,953.61 × 14,138.26
  4. Step 4: Simplify right side
    26,618.13x = 564,874,326.35
  5. Step 5: Solve for x
    x = 564,874,326.35/26,618.13
  6. Step 6: Final answer
    x = 21,221.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.