Home / 18,266.72-27,399.72-6,587.60

Finding the Fourth Proportional to 18,266.72, 27,399.72 and 6,587.60

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Solution

The fourth proportional to 18,266.72, 27,399.72 and 6,587.60 is: 9,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.72 : 27,399.72 = 6,587.60 : x
  2. Step 2: Convert to fraction form
    18,266.72/27,399.72 = 6,587.60/x
  3. Step 3: Cross multiply
    18,266.72x = 27,399.72 × 6,587.60
  4. Step 4: Simplify right side
    18,266.72x = 180,498,395.47
  5. Step 5: Solve for x
    x = 180,498,395.47/18,266.72
  6. Step 6: Final answer
    x = 9,881.27

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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.