Home / 13,904.51-19,186.38-7,935.83

Finding the Fourth Proportional to 13,904.51, 19,186.38 and 7,935.83

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Solution

The fourth proportional to 13,904.51, 19,186.38 and 7,935.83 is: 10,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.51 : 19,186.38 = 7,935.83 : x
  2. Step 2: Convert to fraction form
    13,904.51/19,186.38 = 7,935.83/x
  3. Step 3: Cross multiply
    13,904.51x = 19,186.38 × 7,935.83
  4. Step 4: Simplify right side
    13,904.51x = 152,259,754.06
  5. Step 5: Solve for x
    x = 152,259,754.06/13,904.51
  6. Step 6: Final answer
    x = 10,950.39

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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.