Home / 22,670.64-33,907.20-13,288.32

Finding the Fourth Proportional to 22,670.64, 33,907.20 and 13,288.32

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Solution

The fourth proportional to 22,670.64, 33,907.20 and 13,288.32 is: 19,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.64 : 33,907.20 = 13,288.32 : x
  2. Step 2: Convert to fraction form
    22,670.64/33,907.20 = 13,288.32/x
  3. Step 3: Cross multiply
    22,670.64x = 33,907.20 × 13,288.32
  4. Step 4: Simplify right side
    22,670.64x = 450,569,723.90
  5. Step 5: Solve for x
    x = 450,569,723.90/22,670.64
  6. Step 6: Final answer
    x = 19,874.59

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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.