Home / 37,019.70-55,529.55-13,643.10

Finding the Fourth Proportional to 37,019.70, 55,529.55 and 13,643.10

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Solution

The fourth proportional to 37,019.70, 55,529.55 and 13,643.10 is: 20,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,019.70 : 55,529.55 = 13,643.10 : x
  2. Step 2: Convert to fraction form
    37,019.70/55,529.55 = 13,643.10/x
  3. Step 3: Cross multiply
    37,019.70x = 55,529.55 × 13,643.10
  4. Step 4: Simplify right side
    37,019.70x = 757,595,203.61
  5. Step 5: Solve for x
    x = 757,595,203.61/37,019.70
  6. Step 6: Final answer
    x = 20,464.65

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Similar ratio
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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.