Home / 18,853.68-28,276.86-5,702.96

Finding the Fourth Proportional to 18,853.68, 28,276.86 and 5,702.96

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Solution

The fourth proportional to 18,853.68, 28,276.86 and 5,702.96 is: 8,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.68 : 28,276.86 = 5,702.96 : x
  2. Step 2: Convert to fraction form
    18,853.68/28,276.86 = 5,702.96/x
  3. Step 3: Cross multiply
    18,853.68x = 28,276.86 × 5,702.96
  4. Step 4: Simplify right side
    18,853.68x = 161,261,801.51
  5. Step 5: Solve for x
    x = 161,261,801.51/18,853.68
  6. Step 6: Final answer
    x = 8,553.33

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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.