Home / 21,882.84-32,833.44-9,405.60

Finding the Fourth Proportional to 21,882.84, 32,833.44 and 9,405.60

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Solution

The fourth proportional to 21,882.84, 32,833.44 and 9,405.60 is: 14,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.84 : 32,833.44 = 9,405.60 : x
  2. Step 2: Convert to fraction form
    21,882.84/32,833.44 = 9,405.60/x
  3. Step 3: Cross multiply
    21,882.84x = 32,833.44 × 9,405.60
  4. Step 4: Simplify right side
    21,882.84x = 308,818,203.26
  5. Step 5: Solve for x
    x = 308,818,203.26/21,882.84
  6. Step 6: Final answer
    x = 14,112.35

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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.