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Finding the Fourth Proportional to 22,359, 30,842.58 and 13,960.92

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Solution

The fourth proportional to 22,359, 30,842.58 and 13,960.92 is: 19,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359 : 30,842.58 = 13,960.92 : x
  2. Step 2: Convert to fraction form
    22,359/30,842.58 = 13,960.92/x
  3. Step 3: Cross multiply
    22,359x = 30,842.58 × 13,960.92
  4. Step 4: Simplify right side
    22,359x = 430,590,791.97
  5. Step 5: Solve for x
    x = 430,590,791.97/22,359
  6. Step 6: Final answer
    x = 19,258.05

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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.