Home / 19,850.80-27,393.18-11,897.44

Finding the Fourth Proportional to 19,850.80, 27,393.18 and 11,897.44

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Solution

The fourth proportional to 19,850.80, 27,393.18 and 11,897.44 is: 16,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.80 : 27,393.18 = 11,897.44 : x
  2. Step 2: Convert to fraction form
    19,850.80/27,393.18 = 11,897.44/x
  3. Step 3: Cross multiply
    19,850.80x = 27,393.18 × 11,897.44
  4. Step 4: Simplify right side
    19,850.80x = 325,908,715.46
  5. Step 5: Solve for x
    x = 325,908,715.46/19,850.80
  6. Step 6: Final answer
    x = 16,417.91

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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.