Home / 52,015.19-78,022.78-12,572.29

Finding the Fourth Proportional to 52,015.19, 78,022.78 and 12,572.29

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Solution

The fourth proportional to 52,015.19, 78,022.78 and 12,572.29 is: 18,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015.19 : 78,022.78 = 12,572.29 : x
  2. Step 2: Convert to fraction form
    52,015.19/78,022.78 = 12,572.29/x
  3. Step 3: Cross multiply
    52,015.19x = 78,022.78 × 12,572.29
  4. Step 4: Simplify right side
    52,015.19x = 980,924,626.65
  5. Step 5: Solve for x
    x = 980,924,626.65/52,015.19
  6. Step 6: Final answer
    x = 18,858.43

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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.