Home / 18,568.98-27,856.08-5,422.32

Finding the Fourth Proportional to 18,568.98, 27,856.08 and 5,422.32

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Solution

The fourth proportional to 18,568.98, 27,856.08 and 5,422.32 is: 8,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.98 : 27,856.08 = 5,422.32 : x
  2. Step 2: Convert to fraction form
    18,568.98/27,856.08 = 5,422.32/x
  3. Step 3: Cross multiply
    18,568.98x = 27,856.08 × 5,422.32
  4. Step 4: Simplify right side
    18,568.98x = 151,044,579.71
  5. Step 5: Solve for x
    x = 151,044,579.71/18,568.98
  6. Step 6: Final answer
    x = 8,134.24

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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.