Home / 22,980.72-34,480.08-18,579.48

Finding the Fourth Proportional to 22,980.72, 34,480.08 and 18,579.48

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Solution

The fourth proportional to 22,980.72, 34,480.08 and 18,579.48 is: 27,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.72 : 34,480.08 = 18,579.48 : x
  2. Step 2: Convert to fraction form
    22,980.72/34,480.08 = 18,579.48/x
  3. Step 3: Cross multiply
    22,980.72x = 34,480.08 × 18,579.48
  4. Step 4: Simplify right side
    22,980.72x = 640,621,956.76
  5. Step 5: Solve for x
    x = 640,621,956.76/22,980.72
  6. Step 6: Final answer
    x = 27,876.50

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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.