Home / 14,001.36-19,320.12-8,032.20

Finding the Fourth Proportional to 14,001.36, 19,320.12 and 8,032.20

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Solution

The fourth proportional to 14,001.36, 19,320.12 and 8,032.20 is: 11,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.36 : 19,320.12 = 8,032.20 : x
  2. Step 2: Convert to fraction form
    14,001.36/19,320.12 = 8,032.20/x
  3. Step 3: Cross multiply
    14,001.36x = 19,320.12 × 8,032.20
  4. Step 4: Simplify right side
    14,001.36x = 155,183,067.86
  5. Step 5: Solve for x
    x = 155,183,067.86/14,001.36
  6. Step 6: Final answer
    x = 11,083.43

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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.