Home / 14,048.14-19,386.66-7,760.56

Finding the Fourth Proportional to 14,048.14, 19,386.66 and 7,760.56

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Solution

The fourth proportional to 14,048.14, 19,386.66 and 7,760.56 is: 10,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.14 : 19,386.66 = 7,760.56 : x
  2. Step 2: Convert to fraction form
    14,048.14/19,386.66 = 7,760.56/x
  3. Step 3: Cross multiply
    14,048.14x = 19,386.66 × 7,760.56
  4. Step 4: Simplify right side
    14,048.14x = 150,451,338.13
  5. Step 5: Solve for x
    x = 150,451,338.13/14,048.14
  6. Step 6: Final answer
    x = 10,709.70

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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.