Home / 13,950.16-19,251.48-7,662.76

Finding the Fourth Proportional to 13,950.16, 19,251.48 and 7,662.76

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Solution

The fourth proportional to 13,950.16, 19,251.48 and 7,662.76 is: 10,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.16 : 19,251.48 = 7,662.76 : x
  2. Step 2: Convert to fraction form
    13,950.16/19,251.48 = 7,662.76/x
  3. Step 3: Cross multiply
    13,950.16x = 19,251.48 × 7,662.76
  4. Step 4: Simplify right side
    13,950.16x = 147,519,470.88
  5. Step 5: Solve for x
    x = 147,519,470.88/13,950.16
  6. Step 6: Final answer
    x = 10,574.75

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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.