Home / 18,845.66-28,269.34-6,364.58

Finding the Fourth Proportional to 18,845.66, 28,269.34 and 6,364.58

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Solution

The fourth proportional to 18,845.66, 28,269.34 and 6,364.58 is: 9,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.66 : 28,269.34 = 6,364.58 : x
  2. Step 2: Convert to fraction form
    18,845.66/28,269.34 = 6,364.58/x
  3. Step 3: Cross multiply
    18,845.66x = 28,269.34 × 6,364.58
  4. Step 4: Simplify right side
    18,845.66x = 179,922,475.98
  5. Step 5: Solve for x
    x = 179,922,475.98/18,845.66
  6. Step 6: Final answer
    x = 9,547.16

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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.