Home / 19,517.40-26,938.44-15,260.04

Finding the Fourth Proportional to 19,517.40, 26,938.44 and 15,260.04

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Solution

The fourth proportional to 19,517.40, 26,938.44 and 15,260.04 is: 21,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.40 : 26,938.44 = 15,260.04 : x
  2. Step 2: Convert to fraction form
    19,517.40/26,938.44 = 15,260.04/x
  3. Step 3: Cross multiply
    19,517.40x = 26,938.44 × 15,260.04
  4. Step 4: Simplify right side
    19,517.40x = 411,081,671.94
  5. Step 5: Solve for x
    x = 411,081,671.94/19,517.40
  6. Step 6: Final answer
    x = 21,062.32

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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.