Home / 14,049.70-21,068.24-5,278.41

Finding the Fourth Proportional to 14,049.70, 21,068.24 and 5,278.41

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Solution

The fourth proportional to 14,049.70, 21,068.24 and 5,278.41 is: 7,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.70 : 21,068.24 = 5,278.41 : x
  2. Step 2: Convert to fraction form
    14,049.70/21,068.24 = 5,278.41/x
  3. Step 3: Cross multiply
    14,049.70x = 21,068.24 × 5,278.41
  4. Step 4: Simplify right side
    14,049.70x = 111,206,782.31
  5. Step 5: Solve for x
    x = 111,206,782.31/14,049.70
  6. Step 6: Final answer
    x = 7,915.24

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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.