Home / 22,048.72-30,427.44-11,977.24

Finding the Fourth Proportional to 22,048.72, 30,427.44 and 11,977.24

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Solution

The fourth proportional to 22,048.72, 30,427.44 and 11,977.24 is: 16,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.72 : 30,427.44 = 11,977.24 : x
  2. Step 2: Convert to fraction form
    22,048.72/30,427.44 = 11,977.24/x
  3. Step 3: Cross multiply
    22,048.72x = 30,427.44 × 11,977.24
  4. Step 4: Simplify right side
    22,048.72x = 364,436,751.47
  5. Step 5: Solve for x
    x = 364,436,751.47/22,048.72
  6. Step 6: Final answer
    x = 16,528.70

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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.