Home / 14,122.54-21,184.62-5,357.26

Finding the Fourth Proportional to 14,122.54, 21,184.62 and 5,357.26

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Solution

The fourth proportional to 14,122.54, 21,184.62 and 5,357.26 is: 8,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.54 : 21,184.62 = 5,357.26 : x
  2. Step 2: Convert to fraction form
    14,122.54/21,184.62 = 5,357.26/x
  3. Step 3: Cross multiply
    14,122.54x = 21,184.62 × 5,357.26
  4. Step 4: Simplify right side
    14,122.54x = 113,491,517.34
  5. Step 5: Solve for x
    x = 113,491,517.34/14,122.54
  6. Step 6: Final answer
    x = 8,036.20

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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.