Home / 26,310.81-36,321.54-15,557.52

Finding the Fourth Proportional to 26,310.81, 36,321.54 and 15,557.52

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Solution

The fourth proportional to 26,310.81, 36,321.54 and 15,557.52 is: 21,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,310.81 : 36,321.54 = 15,557.52 : x
  2. Step 2: Convert to fraction form
    26,310.81/36,321.54 = 15,557.52/x
  3. Step 3: Cross multiply
    26,310.81x = 36,321.54 × 15,557.52
  4. Step 4: Simplify right side
    26,310.81x = 565,073,084.98
  5. Step 5: Solve for x
    x = 565,073,084.98/26,310.81
  6. Step 6: Final answer
    x = 21,476.84

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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.