Home / 26,853.10-40,276.49-7,133.18

Finding the Fourth Proportional to 26,853.10, 40,276.49 and 7,133.18

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Solution

The fourth proportional to 26,853.10, 40,276.49 and 7,133.18 is: 10,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,853.10 : 40,276.49 = 7,133.18 : x
  2. Step 2: Convert to fraction form
    26,853.10/40,276.49 = 7,133.18/x
  3. Step 3: Cross multiply
    26,853.10x = 40,276.49 × 7,133.18
  4. Step 4: Simplify right side
    26,853.10x = 287,299,215.89
  5. Step 5: Solve for x
    x = 287,299,215.89/26,853.10
  6. Step 6: Final answer
    x = 10,698.92

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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.