Home / 18,264.81-27,395.07-5,118.24

Finding the Fourth Proportional to 18,264.81, 27,395.07 and 5,118.24

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Solution

The fourth proportional to 18,264.81, 27,395.07 and 5,118.24 is: 7,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.81 : 27,395.07 = 5,118.24 : x
  2. Step 2: Convert to fraction form
    18,264.81/27,395.07 = 5,118.24/x
  3. Step 3: Cross multiply
    18,264.81x = 27,395.07 × 5,118.24
  4. Step 4: Simplify right side
    18,264.81x = 140,214,543.08
  5. Step 5: Solve for x
    x = 140,214,543.08/18,264.81
  6. Step 6: Final answer
    x = 7,676.76

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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.