Home / 19,916.05-27,480.98-11,416.54

Finding the Fourth Proportional to 19,916.05, 27,480.98 and 11,416.54

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Solution

The fourth proportional to 19,916.05, 27,480.98 and 11,416.54 is: 15,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.05 : 27,480.98 = 11,416.54 : x
  2. Step 2: Convert to fraction form
    19,916.05/27,480.98 = 11,416.54/x
  3. Step 3: Cross multiply
    19,916.05x = 27,480.98 × 11,416.54
  4. Step 4: Simplify right side
    19,916.05x = 313,737,650.33
  5. Step 5: Solve for x
    x = 313,737,650.33/19,916.05
  6. Step 6: Final answer
    x = 15,753.01

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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.