Home / 13,156.17-19,737.45-3,922.17

Finding the Fourth Proportional to 13,156.17, 19,737.45 and 3,922.17

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Solution

The fourth proportional to 13,156.17, 19,737.45 and 3,922.17 is: 5,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.17 : 19,737.45 = 3,922.17 : x
  2. Step 2: Convert to fraction form
    13,156.17/19,737.45 = 3,922.17/x
  3. Step 3: Cross multiply
    13,156.17x = 19,737.45 × 3,922.17
  4. Step 4: Simplify right side
    13,156.17x = 77,413,634.27
  5. Step 5: Solve for x
    x = 77,413,634.27/13,156.17
  6. Step 6: Final answer
    x = 5,884.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.