Home / 18,456.24-27,694.08-14,101.68

Finding the Fourth Proportional to 18,456.24, 27,694.08 and 14,101.68

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Solution

The fourth proportional to 18,456.24, 27,694.08 and 14,101.68 is: 21,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.24 : 27,694.08 = 14,101.68 : x
  2. Step 2: Convert to fraction form
    18,456.24/27,694.08 = 14,101.68/x
  3. Step 3: Cross multiply
    18,456.24x = 27,694.08 × 14,101.68
  4. Step 4: Simplify right side
    18,456.24x = 390,533,054.05
  5. Step 5: Solve for x
    x = 390,533,054.05/18,456.24
  6. Step 6: Final answer
    x = 21,159.95

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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.