Home / 13,319.87-19,965.57-10,022.76

Finding the Fourth Proportional to 13,319.87, 19,965.57 and 10,022.76

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Solution

The fourth proportional to 13,319.87, 19,965.57 and 10,022.76 is: 15,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.87 : 19,965.57 = 10,022.76 : x
  2. Step 2: Convert to fraction form
    13,319.87/19,965.57 = 10,022.76/x
  3. Step 3: Cross multiply
    13,319.87x = 19,965.57 × 10,022.76
  4. Step 4: Simplify right side
    13,319.87x = 200,110,116.37
  5. Step 5: Solve for x
    x = 200,110,116.37/13,319.87
  6. Step 6: Final answer
    x = 15,023.43

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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.