Home / 13,983.52-19,290-11,333.92

Finding the Fourth Proportional to 13,983.52, 19,290 and 11,333.92

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Solution

The fourth proportional to 13,983.52, 19,290 and 11,333.92 is: 15,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.52 : 19,290 = 11,333.92 : x
  2. Step 2: Convert to fraction form
    13,983.52/19,290 = 11,333.92/x
  3. Step 3: Cross multiply
    13,983.52x = 19,290 × 11,333.92
  4. Step 4: Simplify right side
    13,983.52x = 218,631,316.80
  5. Step 5: Solve for x
    x = 218,631,316.80/13,983.52
  6. Step 6: Final answer
    x = 15,634.93

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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.