Home / 26,616.36-36,731.98-18,655.68

Finding the Fourth Proportional to 26,616.36, 36,731.98 and 18,655.68

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Solution

The fourth proportional to 26,616.36, 36,731.98 and 18,655.68 is: 25,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.36 : 36,731.98 = 18,655.68 : x
  2. Step 2: Convert to fraction form
    26,616.36/36,731.98 = 18,655.68/x
  3. Step 3: Cross multiply
    26,616.36x = 36,731.98 × 18,655.68
  4. Step 4: Simplify right side
    26,616.36x = 685,260,064.65
  5. Step 5: Solve for x
    x = 685,260,064.65/26,616.36
  6. Step 6: Final answer
    x = 25,745.82

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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.