Home / 19,622.54-27,078.72-10,669.97

Finding the Fourth Proportional to 19,622.54, 27,078.72 and 10,669.97

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Solution

The fourth proportional to 19,622.54, 27,078.72 and 10,669.97 is: 14,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.54 : 27,078.72 = 10,669.97 : x
  2. Step 2: Convert to fraction form
    19,622.54/27,078.72 = 10,669.97/x
  3. Step 3: Cross multiply
    19,622.54x = 27,078.72 × 10,669.97
  4. Step 4: Simplify right side
    19,622.54x = 288,928,994.64
  5. Step 5: Solve for x
    x = 288,928,994.64/19,622.54
  6. Step 6: Final answer
    x = 14,724.35

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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.