Home / 22,440.78-33,667.79-6,646.25

Finding the Fourth Proportional to 22,440.78, 33,667.79 and 6,646.25

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Solution

The fourth proportional to 22,440.78, 33,667.79 and 6,646.25 is: 9,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.78 : 33,667.79 = 6,646.25 : x
  2. Step 2: Convert to fraction form
    22,440.78/33,667.79 = 6,646.25/x
  3. Step 3: Cross multiply
    22,440.78x = 33,667.79 × 6,646.25
  4. Step 4: Simplify right side
    22,440.78x = 223,764,600.23
  5. Step 5: Solve for x
    x = 223,764,600.23/22,440.78
  6. Step 6: Final answer
    x = 9,971.34

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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.