Home / 19,938.54-29,872.71-17,766.60

Finding the Fourth Proportional to 19,938.54, 29,872.71 and 17,766.60

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Solution

The fourth proportional to 19,938.54, 29,872.71 and 17,766.60 is: 26,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.54 : 29,872.71 = 17,766.60 : x
  2. Step 2: Convert to fraction form
    19,938.54/29,872.71 = 17,766.60/x
  3. Step 3: Cross multiply
    19,938.54x = 29,872.71 × 17,766.60
  4. Step 4: Simplify right side
    19,938.54x = 530,736,489.49
  5. Step 5: Solve for x
    x = 530,736,489.49/19,938.54
  6. Step 6: Final answer
    x = 26,618.62

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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.