Home / 26,505.75-36,583.25-15,748.55

Finding the Fourth Proportional to 26,505.75, 36,583.25 and 15,748.55

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Solution

The fourth proportional to 26,505.75, 36,583.25 and 15,748.55 is: 21,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.75 : 36,583.25 = 15,748.55 : x
  2. Step 2: Convert to fraction form
    26,505.75/36,583.25 = 15,748.55/x
  3. Step 3: Cross multiply
    26,505.75x = 36,583.25 × 15,748.55
  4. Step 4: Simplify right side
    26,505.75x = 576,133,141.79
  5. Step 5: Solve for x
    x = 576,133,141.79/26,505.75
  6. Step 6: Final answer
    x = 21,736.16

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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.