Home / 19,532.39-26,957.39-11,977.38

Finding the Fourth Proportional to 19,532.39, 26,957.39 and 11,977.38

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Solution

The fourth proportional to 19,532.39, 26,957.39 and 11,977.38 is: 16,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.39 : 26,957.39 = 11,977.38 : x
  2. Step 2: Convert to fraction form
    19,532.39/26,957.39 = 11,977.38/x
  3. Step 3: Cross multiply
    19,532.39x = 26,957.39 × 11,977.38
  4. Step 4: Simplify right side
    19,532.39x = 322,878,843.95
  5. Step 5: Solve for x
    x = 322,878,843.95/19,532.39
  6. Step 6: Final answer
    x = 16,530.44

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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.