Home / 21,557.75-32,373.41-11,716.25

Finding the Fourth Proportional to 21,557.75, 32,373.41 and 11,716.25

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Solution

The fourth proportional to 21,557.75, 32,373.41 and 11,716.25 is: 17,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557.75 : 32,373.41 = 11,716.25 : x
  2. Step 2: Convert to fraction form
    21,557.75/32,373.41 = 11,716.25/x
  3. Step 3: Cross multiply
    21,557.75x = 32,373.41 × 11,716.25
  4. Step 4: Simplify right side
    21,557.75x = 379,294,744.46
  5. Step 5: Solve for x
    x = 379,294,744.46/21,557.75
  6. Step 6: Final answer
    x = 17,594.36

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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.