Home / 21,368.07-32,052.11-13,553.19

Finding the Fourth Proportional to 21,368.07, 32,052.11 and 13,553.19

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Solution

The fourth proportional to 21,368.07, 32,052.11 and 13,553.19 is: 20,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,368.07 : 32,052.11 = 13,553.19 : x
  2. Step 2: Convert to fraction form
    21,368.07/32,052.11 = 13,553.19/x
  3. Step 3: Cross multiply
    21,368.07x = 32,052.11 × 13,553.19
  4. Step 4: Simplify right side
    21,368.07x = 434,408,268.96
  5. Step 5: Solve for x
    x = 434,408,268.96/21,368.07
  6. Step 6: Final answer
    x = 20,329.79

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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.