Home / 18,618.18-27,926.57-4,578.26

Finding the Fourth Proportional to 18,618.18, 27,926.57 and 4,578.26

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Solution

The fourth proportional to 18,618.18, 27,926.57 and 4,578.26 is: 6,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.18 : 27,926.57 = 4,578.26 : x
  2. Step 2: Convert to fraction form
    18,618.18/27,926.57 = 4,578.26/x
  3. Step 3: Cross multiply
    18,618.18x = 27,926.57 × 4,578.26
  4. Step 4: Simplify right side
    18,618.18x = 127,854,935.84
  5. Step 5: Solve for x
    x = 127,854,935.84/18,618.18
  6. Step 6: Final answer
    x = 6,867.21

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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.