Home / 18,961.62-26,167.02-10,578.12

Finding the Fourth Proportional to 18,961.62, 26,167.02 and 10,578.12

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Solution

The fourth proportional to 18,961.62, 26,167.02 and 10,578.12 is: 14,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.62 : 26,167.02 = 10,578.12 : x
  2. Step 2: Convert to fraction form
    18,961.62/26,167.02 = 10,578.12/x
  3. Step 3: Cross multiply
    18,961.62x = 26,167.02 × 10,578.12
  4. Step 4: Simplify right side
    18,961.62x = 276,797,877.60
  5. Step 5: Solve for x
    x = 276,797,877.60/18,961.62
  6. Step 6: Final answer
    x = 14,597.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.