Home / 22,055.16-30,436.20-11,983.65

Finding the Fourth Proportional to 22,055.16, 30,436.20 and 11,983.65

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Solution

The fourth proportional to 22,055.16, 30,436.20 and 11,983.65 is: 16,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.16 : 30,436.20 = 11,983.65 : x
  2. Step 2: Convert to fraction form
    22,055.16/30,436.20 = 11,983.65/x
  3. Step 3: Cross multiply
    22,055.16x = 30,436.20 × 11,983.65
  4. Step 4: Simplify right side
    22,055.16x = 364,736,768.13
  5. Step 5: Solve for x
    x = 364,736,768.13/22,055.16
  6. Step 6: Final answer
    x = 16,537.48

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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.