Home / 14,005.32-19,327.24-7,717.69

Finding the Fourth Proportional to 14,005.32, 19,327.24 and 7,717.69

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Solution

The fourth proportional to 14,005.32, 19,327.24 and 7,717.69 is: 10,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.32 : 19,327.24 = 7,717.69 : x
  2. Step 2: Convert to fraction form
    14,005.32/19,327.24 = 7,717.69/x
  3. Step 3: Cross multiply
    14,005.32x = 19,327.24 × 7,717.69
  4. Step 4: Simplify right side
    14,005.32x = 149,161,680.68
  5. Step 5: Solve for x
    x = 149,161,680.68/14,005.32
  6. Step 6: Final answer
    x = 10,650.36

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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.