Home / 26,523.19-39,731.49-12,271.69

Finding the Fourth Proportional to 26,523.19, 39,731.49 and 12,271.69

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Solution

The fourth proportional to 26,523.19, 39,731.49 and 12,271.69 is: 18,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.19 : 39,731.49 = 12,271.69 : x
  2. Step 2: Convert to fraction form
    26,523.19/39,731.49 = 12,271.69/x
  3. Step 3: Cross multiply
    26,523.19x = 39,731.49 × 12,271.69
  4. Step 4: Simplify right side
    26,523.19x = 487,572,528.52
  5. Step 5: Solve for x
    x = 487,572,528.52/26,523.19
  6. Step 6: Final answer
    x = 18,382.88

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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.