Home / 22,055.72-30,436.52-11,984.32

Finding the Fourth Proportional to 22,055.72, 30,436.52 and 11,984.32

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Solution

The fourth proportional to 22,055.72, 30,436.52 and 11,984.32 is: 16,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055.72 : 30,436.52 = 11,984.32 : x
  2. Step 2: Convert to fraction form
    22,055.72/30,436.52 = 11,984.32/x
  3. Step 3: Cross multiply
    22,055.72x = 30,436.52 × 11,984.32
  4. Step 4: Simplify right side
    22,055.72x = 364,760,995.37
  5. Step 5: Solve for x
    x = 364,760,995.37/22,055.72
  6. Step 6: Final answer
    x = 16,538.16

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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.