Home / 13,751.33-18,975.26-7,700.73

Finding the Fourth Proportional to 13,751.33, 18,975.26 and 7,700.73

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Solution

The fourth proportional to 13,751.33, 18,975.26 and 7,700.73 is: 10,626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.33 : 18,975.26 = 7,700.73 : x
  2. Step 2: Convert to fraction form
    13,751.33/18,975.26 = 7,700.73/x
  3. Step 3: Cross multiply
    13,751.33x = 18,975.26 × 7,700.73
  4. Step 4: Simplify right side
    13,751.33x = 146,123,373.19
  5. Step 5: Solve for x
    x = 146,123,373.19/13,751.33
  6. Step 6: Final answer
    x = 10,626.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.