Home / 14,239.23-21,329.69-7,998.99

Finding the Fourth Proportional to 14,239.23, 21,329.69 and 7,998.99

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Solution

The fourth proportional to 14,239.23, 21,329.69 and 7,998.99 is: 11,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.23 : 21,329.69 = 7,998.99 : x
  2. Step 2: Convert to fraction form
    14,239.23/21,329.69 = 7,998.99/x
  3. Step 3: Cross multiply
    14,239.23x = 21,329.69 × 7,998.99
  4. Step 4: Simplify right side
    14,239.23x = 170,615,937.02
  5. Step 5: Solve for x
    x = 170,615,937.02/14,239.23
  6. Step 6: Final answer
    x = 11,982.10

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Half scale
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Double scale
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Similar ratio
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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.