Home / 26,392.89-39,589.36-10,821.45

Finding the Fourth Proportional to 26,392.89, 39,589.36 and 10,821.45

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Solution

The fourth proportional to 26,392.89, 39,589.36 and 10,821.45 is: 16,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.89 : 39,589.36 = 10,821.45 : x
  2. Step 2: Convert to fraction form
    26,392.89/39,589.36 = 10,821.45/x
  3. Step 3: Cross multiply
    26,392.89x = 39,589.36 × 10,821.45
  4. Step 4: Simplify right side
    26,392.89x = 428,414,178.49
  5. Step 5: Solve for x
    x = 428,414,178.49/26,392.89
  6. Step 6: Final answer
    x = 16,232.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.