Home / 13,832.05-19,088.14-7,863.72

Finding the Fourth Proportional to 13,832.05, 19,088.14 and 7,863.72

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Solution

The fourth proportional to 13,832.05, 19,088.14 and 7,863.72 is: 10,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.05 : 19,088.14 = 7,863.72 : x
  2. Step 2: Convert to fraction form
    13,832.05/19,088.14 = 7,863.72/x
  3. Step 3: Cross multiply
    13,832.05x = 19,088.14 × 7,863.72
  4. Step 4: Simplify right side
    13,832.05x = 150,103,855.66
  5. Step 5: Solve for x
    x = 150,103,855.66/13,832.05
  6. Step 6: Final answer
    x = 10,851.89

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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.