Home / 19,530.14-26,954.28-11,975.13

Finding the Fourth Proportional to 19,530.14, 26,954.28 and 11,975.13

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Solution

The fourth proportional to 19,530.14, 26,954.28 and 11,975.13 is: 16,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.14 : 26,954.28 = 11,975.13 : x
  2. Step 2: Convert to fraction form
    19,530.14/26,954.28 = 11,975.13/x
  3. Step 3: Cross multiply
    19,530.14x = 26,954.28 × 11,975.13
  4. Step 4: Simplify right side
    19,530.14x = 322,781,007.06
  5. Step 5: Solve for x
    x = 322,781,007.06/19,530.14
  6. Step 6: Final answer
    x = 16,527.33

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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.