Home / 26,168.13-36,115.47-15,563.61

Finding the Fourth Proportional to 26,168.13, 36,115.47 and 15,563.61

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Solution

The fourth proportional to 26,168.13, 36,115.47 and 15,563.61 is: 21,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.13 : 36,115.47 = 15,563.61 : x
  2. Step 2: Convert to fraction form
    26,168.13/36,115.47 = 15,563.61/x
  3. Step 3: Cross multiply
    26,168.13x = 36,115.47 × 15,563.61
  4. Step 4: Simplify right side
    26,168.13x = 562,087,090.05
  5. Step 5: Solve for x
    x = 562,087,090.05/26,168.13
  6. Step 6: Final answer
    x = 21,479.83

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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.