Home / 13,744.27-20,616.35-4,977.13

Finding the Fourth Proportional to 13,744.27, 20,616.35 and 4,977.13

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Solution

The fourth proportional to 13,744.27, 20,616.35 and 4,977.13 is: 7,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.27 : 20,616.35 = 4,977.13 : x
  2. Step 2: Convert to fraction form
    13,744.27/20,616.35 = 4,977.13/x
  3. Step 3: Cross multiply
    13,744.27x = 20,616.35 × 4,977.13
  4. Step 4: Simplify right side
    13,744.27x = 102,610,177.65
  5. Step 5: Solve for x
    x = 102,610,177.65/13,744.27
  6. Step 6: Final answer
    x = 7,465.67

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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.