Home / 22,188.40-33,261.06-8,857.53

Finding the Fourth Proportional to 22,188.40, 33,261.06 and 8,857.53

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Solution

The fourth proportional to 22,188.40, 33,261.06 and 8,857.53 is: 13,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.40 : 33,261.06 = 8,857.53 : x
  2. Step 2: Convert to fraction form
    22,188.40/33,261.06 = 8,857.53/x
  3. Step 3: Cross multiply
    22,188.40x = 33,261.06 × 8,857.53
  4. Step 4: Simplify right side
    22,188.40x = 294,610,836.78
  5. Step 5: Solve for x
    x = 294,610,836.78/22,188.40
  6. Step 6: Final answer
    x = 13,277.70

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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.