Home / 19,916.55-27,481.66-11,417.04

Finding the Fourth Proportional to 19,916.55, 27,481.66 and 11,417.04

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Solution

The fourth proportional to 19,916.55, 27,481.66 and 11,417.04 is: 15,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.55 : 27,481.66 = 11,417.04 : x
  2. Step 2: Convert to fraction form
    19,916.55/27,481.66 = 11,417.04/x
  3. Step 3: Cross multiply
    19,916.55x = 27,481.66 × 11,417.04
  4. Step 4: Simplify right side
    19,916.55x = 313,759,182.94
  5. Step 5: Solve for x
    x = 313,759,182.94/19,916.55
  6. Step 6: Final answer
    x = 15,753.69

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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.