Home / 19,401.73-26,775.56-12,693.11

Finding the Fourth Proportional to 19,401.73, 26,775.56 and 12,693.11

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Solution

The fourth proportional to 19,401.73, 26,775.56 and 12,693.11 is: 17,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.73 : 26,775.56 = 12,693.11 : x
  2. Step 2: Convert to fraction form
    19,401.73/26,775.56 = 12,693.11/x
  3. Step 3: Cross multiply
    19,401.73x = 26,775.56 × 12,693.11
  4. Step 4: Simplify right side
    19,401.73x = 339,865,026.25
  5. Step 5: Solve for x
    x = 339,865,026.25/19,401.73
  6. Step 6: Final answer
    x = 17,517.26

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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.