Home / 13,901.73-19,185.77-7,934.31

Finding the Fourth Proportional to 13,901.73, 19,185.77 and 7,934.31

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Solution

The fourth proportional to 13,901.73, 19,185.77 and 7,934.31 is: 10,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.73 : 19,185.77 = 7,934.31 : x
  2. Step 2: Convert to fraction form
    13,901.73/19,185.77 = 7,934.31/x
  3. Step 3: Cross multiply
    13,901.73x = 19,185.77 × 7,934.31
  4. Step 4: Simplify right side
    13,901.73x = 152,225,794.66
  5. Step 5: Solve for x
    x = 152,225,794.66/13,901.73
  6. Step 6: Final answer
    x = 10,950.13

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Double scale
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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.