Home / 15,171.74-22,756.92-5,313.24

Finding the Fourth Proportional to 15,171.74, 22,756.92 and 5,313.24

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Solution

The fourth proportional to 15,171.74, 22,756.92 and 5,313.24 is: 7,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.74 : 22,756.92 = 5,313.24 : x
  2. Step 2: Convert to fraction form
    15,171.74/22,756.92 = 5,313.24/x
  3. Step 3: Cross multiply
    15,171.74x = 22,756.92 × 5,313.24
  4. Step 4: Simplify right side
    15,171.74x = 120,912,977.62
  5. Step 5: Solve for x
    x = 120,912,977.62/15,171.74
  6. Step 6: Final answer
    x = 7,969.62

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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.