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Finding the Fourth Proportional to 22,055.76, 30,437.01 and 11,984.13

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Solution

The fourth proportional to 22,055.76, 30,437.01 and 11,984.13 is: 16,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.76 : 30,437.01 = 11,984.13 : x
  2. Step 2: Convert to fraction form
    22,055.76/30,437.01 = 11,984.13/x
  3. Step 3: Cross multiply
    22,055.76x = 30,437.01 × 11,984.13
  4. Step 4: Simplify right side
    22,055.76x = 364,761,084.65
  5. Step 5: Solve for x
    x = 364,761,084.65/22,055.76
  6. Step 6: Final answer
    x = 16,538.13

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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.