Home / 13,904.07-19,187.92-7,935.62

Finding the Fourth Proportional to 13,904.07, 19,187.92 and 7,935.62

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Solution

The fourth proportional to 13,904.07, 19,187.92 and 7,935.62 is: 10,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.07 : 19,187.92 = 7,935.62 : x
  2. Step 2: Convert to fraction form
    13,904.07/19,187.92 = 7,935.62/x
  3. Step 3: Cross multiply
    13,904.07x = 19,187.92 × 7,935.62
  4. Step 4: Simplify right side
    13,904.07x = 152,267,955.69
  5. Step 5: Solve for x
    x = 152,267,955.69/13,904.07
  6. Step 6: Final answer
    x = 10,951.33

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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.