Home / 19,885.68-29,826.60-6,737.36

Finding the Fourth Proportional to 19,885.68, 29,826.60 and 6,737.36

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Solution

The fourth proportional to 19,885.68, 29,826.60 and 6,737.36 is: 10,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.68 : 29,826.60 = 6,737.36 : x
  2. Step 2: Convert to fraction form
    19,885.68/29,826.60 = 6,737.36/x
  3. Step 3: Cross multiply
    19,885.68x = 29,826.60 × 6,737.36
  4. Step 4: Simplify right side
    19,885.68x = 200,952,541.78
  5. Step 5: Solve for x
    x = 200,952,541.78/19,885.68
  6. Step 6: Final answer
    x = 10,105.39

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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.