Home / 26,370.59-36,391.13-15,039.79

Finding the Fourth Proportional to 26,370.59, 36,391.13 and 15,039.79

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Solution

The fourth proportional to 26,370.59, 36,391.13 and 15,039.79 is: 20,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,370.59 : 36,391.13 = 15,039.79 : x
  2. Step 2: Convert to fraction form
    26,370.59/36,391.13 = 15,039.79/x
  3. Step 3: Cross multiply
    26,370.59x = 36,391.13 × 15,039.79
  4. Step 4: Simplify right side
    26,370.59x = 547,314,786.89
  5. Step 5: Solve for x
    x = 547,314,786.89/26,370.59
  6. Step 6: Final answer
    x = 20,754.75

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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.