Home / 14,693.82-20,277.61-7,979.51

Finding the Fourth Proportional to 14,693.82, 20,277.61 and 7,979.51

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Solution

The fourth proportional to 14,693.82, 20,277.61 and 7,979.51 is: 11,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.82 : 20,277.61 = 7,979.51 : x
  2. Step 2: Convert to fraction form
    14,693.82/20,277.61 = 7,979.51/x
  3. Step 3: Cross multiply
    14,693.82x = 20,277.61 × 7,979.51
  4. Step 4: Simplify right side
    14,693.82x = 161,805,270.43
  5. Step 5: Solve for x
    x = 161,805,270.43/14,693.82
  6. Step 6: Final answer
    x = 11,011.79

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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.