Home / 21,344.58-32,017.86-15,132.42

Finding the Fourth Proportional to 21,344.58, 32,017.86 and 15,132.42

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Solution

The fourth proportional to 21,344.58, 32,017.86 and 15,132.42 is: 22,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.58 : 32,017.86 = 15,132.42 : x
  2. Step 2: Convert to fraction form
    21,344.58/32,017.86 = 15,132.42/x
  3. Step 3: Cross multiply
    21,344.58x = 32,017.86 × 15,132.42
  4. Step 4: Simplify right side
    21,344.58x = 484,507,705.02
  5. Step 5: Solve for x
    x = 484,507,705.02/21,344.58
  6. Step 6: Final answer
    x = 22,699.33

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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.