Home / 13,904.03-19,185.79-7,934.13

Finding the Fourth Proportional to 13,904.03, 19,185.79 and 7,934.13

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Solution

The fourth proportional to 13,904.03, 19,185.79 and 7,934.13 is: 10,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.03 : 19,185.79 = 7,934.13 : x
  2. Step 2: Convert to fraction form
    13,904.03/19,185.79 = 7,934.13/x
  3. Step 3: Cross multiply
    13,904.03x = 19,185.79 × 7,934.13
  4. Step 4: Simplify right side
    13,904.03x = 152,222,552.01
  5. Step 5: Solve for x
    x = 152,222,552.01/13,904.03
  6. Step 6: Final answer
    x = 10,948.09

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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.