Home / 19,916.76-27,494.46-11,531.64

Finding the Fourth Proportional to 19,916.76, 27,494.46 and 11,531.64

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Solution

The fourth proportional to 19,916.76, 27,494.46 and 11,531.64 is: 15,919.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.76 : 27,494.46 = 11,531.64 : x
  2. Step 2: Convert to fraction form
    19,916.76/27,494.46 = 11,531.64/x
  3. Step 3: Cross multiply
    19,916.76x = 27,494.46 × 11,531.64
  4. Step 4: Simplify right side
    19,916.76x = 317,056,214.71
  5. Step 5: Solve for x
    x = 317,056,214.71/19,916.76
  6. Step 6: Final answer
    x = 15,919.07

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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.