Home / 14,149.61-21,230.22-7,484.37

Finding the Fourth Proportional to 14,149.61, 21,230.22 and 7,484.37

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Solution

The fourth proportional to 14,149.61, 21,230.22 and 7,484.37 is: 11,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.61 : 21,230.22 = 7,484.37 : x
  2. Step 2: Convert to fraction form
    14,149.61/21,230.22 = 7,484.37/x
  3. Step 3: Cross multiply
    14,149.61x = 21,230.22 × 7,484.37
  4. Step 4: Simplify right side
    14,149.61x = 158,894,731.32
  5. Step 5: Solve for x
    x = 158,894,731.32/14,149.61
  6. Step 6: Final answer
    x = 11,229.62

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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.