Home / 16,774.89-25,156.45-5,678.29

Finding the Fourth Proportional to 16,774.89, 25,156.45 and 5,678.29

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Solution

The fourth proportional to 16,774.89, 25,156.45 and 5,678.29 is: 8,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.89 : 25,156.45 = 5,678.29 : x
  2. Step 2: Convert to fraction form
    16,774.89/25,156.45 = 5,678.29/x
  3. Step 3: Cross multiply
    16,774.89x = 25,156.45 × 5,678.29
  4. Step 4: Simplify right side
    16,774.89x = 142,845,618.47
  5. Step 5: Solve for x
    x = 142,845,618.47/16,774.89
  6. Step 6: Final answer
    x = 8,515.44

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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.