Home / 18,935.27-28,377.59-14,531.16

Finding the Fourth Proportional to 18,935.27, 28,377.59 and 14,531.16

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Solution

The fourth proportional to 18,935.27, 28,377.59 and 14,531.16 is: 21,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.27 : 28,377.59 = 14,531.16 : x
  2. Step 2: Convert to fraction form
    18,935.27/28,377.59 = 14,531.16/x
  3. Step 3: Cross multiply
    18,935.27x = 28,377.59 × 14,531.16
  4. Step 4: Simplify right side
    18,935.27x = 412,359,228.05
  5. Step 5: Solve for x
    x = 412,359,228.05/18,935.27
  6. Step 6: Final answer
    x = 21,777.31

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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.