Home / 14,048.79-19,387.32-7,761.17

Finding the Fourth Proportional to 14,048.79, 19,387.32 and 7,761.17

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Solution

The fourth proportional to 14,048.79, 19,387.32 and 7,761.17 is: 10,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.79 : 19,387.32 = 7,761.17 : x
  2. Step 2: Convert to fraction form
    14,048.79/19,387.32 = 7,761.17/x
  3. Step 3: Cross multiply
    14,048.79x = 19,387.32 × 7,761.17
  4. Step 4: Simplify right side
    14,048.79x = 150,468,286.36
  5. Step 5: Solve for x
    x = 150,468,286.36/14,048.79
  6. Step 6: Final answer
    x = 10,710.41

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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.