Home / 26,279.12-36,261.60-15,101.12

Finding the Fourth Proportional to 26,279.12, 36,261.60 and 15,101.12

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Solution

The fourth proportional to 26,279.12, 36,261.60 and 15,101.12 is: 20,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.12 : 36,261.60 = 15,101.12 : x
  2. Step 2: Convert to fraction form
    26,279.12/36,261.60 = 15,101.12/x
  3. Step 3: Cross multiply
    26,279.12x = 36,261.60 × 15,101.12
  4. Step 4: Simplify right side
    26,279.12x = 547,590,772.99
  5. Step 5: Solve for x
    x = 547,590,772.99/26,279.12
  6. Step 6: Final answer
    x = 20,837.49

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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.