Home / 26,365.72-36,381.18-15,185.56

Finding the Fourth Proportional to 26,365.72, 36,381.18 and 15,185.56

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Solution

The fourth proportional to 26,365.72, 36,381.18 and 15,185.56 is: 20,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,365.72 : 36,381.18 = 15,185.56 : x
  2. Step 2: Convert to fraction form
    26,365.72/36,381.18 = 15,185.56/x
  3. Step 3: Cross multiply
    26,365.72x = 36,381.18 × 15,185.56
  4. Step 4: Simplify right side
    26,365.72x = 552,468,591.76
  5. Step 5: Solve for x
    x = 552,468,591.76/26,365.72
  6. Step 6: Final answer
    x = 20,954.05

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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.