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Finding the Fourth Proportional to 22,366.13, 30,871.73 and 14,914.13

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Solution

The fourth proportional to 22,366.13, 30,871.73 and 14,914.13 is: 20,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.13 : 30,871.73 = 14,914.13 : x
  2. Step 2: Convert to fraction form
    22,366.13/30,871.73 = 14,914.13/x
  3. Step 3: Cross multiply
    22,366.13x = 30,871.73 × 14,914.13
  4. Step 4: Simplify right side
    22,366.13x = 460,424,877.47
  5. Step 5: Solve for x
    x = 460,424,877.47/22,366.13
  6. Step 6: Final answer
    x = 20,585.81

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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.