Home / 18,175.85-27,261.65-5,029.25

Finding the Fourth Proportional to 18,175.85, 27,261.65 and 5,029.25

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Solution

The fourth proportional to 18,175.85, 27,261.65 and 5,029.25 is: 7,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.85 : 27,261.65 = 5,029.25 : x
  2. Step 2: Convert to fraction form
    18,175.85/27,261.65 = 5,029.25/x
  3. Step 3: Cross multiply
    18,175.85x = 27,261.65 × 5,029.25
  4. Step 4: Simplify right side
    18,175.85x = 137,105,491.81
  5. Step 5: Solve for x
    x = 137,105,491.81/18,175.85
  6. Step 6: Final answer
    x = 7,543.28

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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.