Home / 13,084.40-19,623.67-3,724.21

Finding the Fourth Proportional to 13,084.40, 19,623.67 and 3,724.21

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Solution

The fourth proportional to 13,084.40, 19,623.67 and 3,724.21 is: 5,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.40 : 19,623.67 = 3,724.21 : x
  2. Step 2: Convert to fraction form
    13,084.40/19,623.67 = 3,724.21/x
  3. Step 3: Cross multiply
    13,084.40x = 19,623.67 × 3,724.21
  4. Step 4: Simplify right side
    13,084.40x = 73,082,683.27
  5. Step 5: Solve for x
    x = 73,082,683.27/13,084.40
  6. Step 6: Final answer
    x = 5,585.48

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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.