Home / 14,147.55-21,224.97-9,995.76

Finding the Fourth Proportional to 14,147.55, 21,224.97 and 9,995.76

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Solution

The fourth proportional to 14,147.55, 21,224.97 and 9,995.76 is: 14,996.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.55 : 21,224.97 = 9,995.76 : x
  2. Step 2: Convert to fraction form
    14,147.55/21,224.97 = 9,995.76/x
  3. Step 3: Cross multiply
    14,147.55x = 21,224.97 × 9,995.76
  4. Step 4: Simplify right side
    14,147.55x = 212,159,706.13
  5. Step 5: Solve for x
    x = 212,159,706.13/14,147.55
  6. Step 6: Final answer
    x = 14,996.22

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Double scale
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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.