Home / 14,048.94-19,388.45-7,761.32

Finding the Fourth Proportional to 14,048.94, 19,388.45 and 7,761.32

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Solution

The fourth proportional to 14,048.94, 19,388.45 and 7,761.32 is: 10,711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.94 : 19,388.45 = 7,761.32 : x
  2. Step 2: Convert to fraction form
    14,048.94/19,388.45 = 7,761.32/x
  3. Step 3: Cross multiply
    14,048.94x = 19,388.45 × 7,761.32
  4. Step 4: Simplify right side
    14,048.94x = 150,479,829.01
  5. Step 5: Solve for x
    x = 150,479,829.01/14,048.94
  6. Step 6: Final answer
    x = 10,711.12

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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.