Home / 18,660.14-27,924.47-11,643.46

Finding the Fourth Proportional to 18,660.14, 27,924.47 and 11,643.46

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Solution

The fourth proportional to 18,660.14, 27,924.47 and 11,643.46 is: 17,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.14 : 27,924.47 = 11,643.46 : x
  2. Step 2: Convert to fraction form
    18,660.14/27,924.47 = 11,643.46/x
  3. Step 3: Cross multiply
    18,660.14x = 27,924.47 × 11,643.46
  4. Step 4: Simplify right side
    18,660.14x = 325,137,251.63
  5. Step 5: Solve for x
    x = 325,137,251.63/18,660.14
  6. Step 6: Final answer
    x = 17,424.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.