Home / 23,998.42-33,120.12-13,389.04

Finding the Fourth Proportional to 23,998.42, 33,120.12 and 13,389.04

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Solution

The fourth proportional to 23,998.42, 33,120.12 and 13,389.04 is: 18,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,998.42 : 33,120.12 = 13,389.04 : x
  2. Step 2: Convert to fraction form
    23,998.42/33,120.12 = 13,389.04/x
  3. Step 3: Cross multiply
    23,998.42x = 33,120.12 × 13,389.04
  4. Step 4: Simplify right side
    23,998.42x = 443,446,611.48
  5. Step 5: Solve for x
    x = 443,446,611.48/23,998.42
  6. Step 6: Final answer
    x = 18,478.16

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Half scale
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Double scale
Find fourth proportional to 23,999.42, 33,121.50 and 13,390.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.