Home / 14,048.88-19,387.42-7,761.25

Finding the Fourth Proportional to 14,048.88, 19,387.42 and 7,761.25

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Solution

The fourth proportional to 14,048.88, 19,387.42 and 7,761.25 is: 10,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.88 : 19,387.42 = 7,761.25 : x
  2. Step 2: Convert to fraction form
    14,048.88/19,387.42 = 7,761.25/x
  3. Step 3: Cross multiply
    14,048.88x = 19,387.42 × 7,761.25
  4. Step 4: Simplify right side
    14,048.88x = 150,470,618.31
  5. Step 5: Solve for x
    x = 150,470,618.31/14,048.88
  6. Step 6: Final answer
    x = 10,710.51

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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.