Home / 18,994.29-28,497.78-11,966.19

Finding the Fourth Proportional to 18,994.29, 28,497.78 and 11,966.19

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Solution

The fourth proportional to 18,994.29, 28,497.78 and 11,966.19 is: 17,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.29 : 28,497.78 = 11,966.19 : x
  2. Step 2: Convert to fraction form
    18,994.29/28,497.78 = 11,966.19/x
  3. Step 3: Cross multiply
    18,994.29x = 28,497.78 × 11,966.19
  4. Step 4: Simplify right side
    18,994.29x = 341,009,850.06
  5. Step 5: Solve for x
    x = 341,009,850.06/18,994.29
  6. Step 6: Final answer
    x = 17,953.28

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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.