Home / 22,477.94-33,720.56-8,439.06

Finding the Fourth Proportional to 22,477.94, 33,720.56 and 8,439.06

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Solution

The fourth proportional to 22,477.94, 33,720.56 and 8,439.06 is: 12,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.94 : 33,720.56 = 8,439.06 : x
  2. Step 2: Convert to fraction form
    22,477.94/33,720.56 = 8,439.06/x
  3. Step 3: Cross multiply
    22,477.94x = 33,720.56 × 8,439.06
  4. Step 4: Simplify right side
    22,477.94x = 284,569,829.07
  5. Step 5: Solve for x
    x = 284,569,829.07/22,477.94
  6. Step 6: Final answer
    x = 12,659.96

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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.