Home / 22,059.54-30,442.19-11,988.09

Finding the Fourth Proportional to 22,059.54, 30,442.19 and 11,988.09

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Solution

The fourth proportional to 22,059.54, 30,442.19 and 11,988.09 is: 16,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.54 : 30,442.19 = 11,988.09 : x
  2. Step 2: Convert to fraction form
    22,059.54/30,442.19 = 11,988.09/x
  3. Step 3: Cross multiply
    22,059.54x = 30,442.19 × 11,988.09
  4. Step 4: Simplify right side
    22,059.54x = 364,943,713.52
  5. Step 5: Solve for x
    x = 364,943,713.52/22,059.54
  6. Step 6: Final answer
    x = 16,543.58

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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.