Home / 19,916.30-27,484.48-10,963.75

Finding the Fourth Proportional to 19,916.30, 27,484.48 and 10,963.75

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Solution

The fourth proportional to 19,916.30, 27,484.48 and 10,963.75 is: 15,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.30 : 27,484.48 = 10,963.75 : x
  2. Step 2: Convert to fraction form
    19,916.30/27,484.48 = 10,963.75/x
  3. Step 3: Cross multiply
    19,916.30x = 27,484.48 × 10,963.75
  4. Step 4: Simplify right side
    19,916.30x = 301,332,912.78
  5. Step 5: Solve for x
    x = 301,332,912.78/19,916.30
  6. Step 6: Final answer
    x = 15,129.97

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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.