Home / 22,059.12-30,441.76-11,987.60

Finding the Fourth Proportional to 22,059.12, 30,441.76 and 11,987.60

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Solution

The fourth proportional to 22,059.12, 30,441.76 and 11,987.60 is: 16,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.12 : 30,441.76 = 11,987.60 : x
  2. Step 2: Convert to fraction form
    22,059.12/30,441.76 = 11,987.60/x
  3. Step 3: Cross multiply
    22,059.12x = 30,441.76 × 11,987.60
  4. Step 4: Simplify right side
    22,059.12x = 364,923,642.18
  5. Step 5: Solve for x
    x = 364,923,642.18/22,059.12
  6. Step 6: Final answer
    x = 16,542.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.