Home / 14,005.53-19,327.64-7,717.91

Finding the Fourth Proportional to 14,005.53, 19,327.64 and 7,717.91

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Solution

The fourth proportional to 14,005.53, 19,327.64 and 7,717.91 is: 10,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.53 : 19,327.64 = 7,717.91 : x
  2. Step 2: Convert to fraction form
    14,005.53/19,327.64 = 7,717.91/x
  3. Step 3: Cross multiply
    14,005.53x = 19,327.64 × 7,717.91
  4. Step 4: Simplify right side
    14,005.53x = 149,168,850.80
  5. Step 5: Solve for x
    x = 149,168,850.80/14,005.53
  6. Step 6: Final answer
    x = 10,650.71

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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.