Home / 18,759.22-28,117.33-6,276.31

Finding the Fourth Proportional to 18,759.22, 28,117.33 and 6,276.31

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Solution

The fourth proportional to 18,759.22, 28,117.33 and 6,276.31 is: 9,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.22 : 28,117.33 = 6,276.31 : x
  2. Step 2: Convert to fraction form
    18,759.22/28,117.33 = 6,276.31/x
  3. Step 3: Cross multiply
    18,759.22x = 28,117.33 × 6,276.31
  4. Step 4: Simplify right side
    18,759.22x = 176,472,993.47
  5. Step 5: Solve for x
    x = 176,472,993.47/18,759.22
  6. Step 6: Final answer
    x = 9,407.27

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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.