Home / 14,221.17-21,331.62-4,861.08

Finding the Fourth Proportional to 14,221.17, 21,331.62 and 4,861.08

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Solution

The fourth proportional to 14,221.17, 21,331.62 and 4,861.08 is: 7,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.17 : 21,331.62 = 4,861.08 : x
  2. Step 2: Convert to fraction form
    14,221.17/21,331.62 = 4,861.08/x
  3. Step 3: Cross multiply
    14,221.17x = 21,331.62 × 4,861.08
  4. Step 4: Simplify right side
    14,221.17x = 103,694,711.35
  5. Step 5: Solve for x
    x = 103,694,711.35/14,221.17
  6. Step 6: Final answer
    x = 7,291.57

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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.