Home / 19,145.46-28,688.94-8,046.08

Finding the Fourth Proportional to 19,145.46, 28,688.94 and 8,046.08

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Solution

The fourth proportional to 19,145.46, 28,688.94 and 8,046.08 is: 12,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.46 : 28,688.94 = 8,046.08 : x
  2. Step 2: Convert to fraction form
    19,145.46/28,688.94 = 8,046.08/x
  3. Step 3: Cross multiply
    19,145.46x = 28,688.94 × 8,046.08
  4. Step 4: Simplify right side
    19,145.46x = 230,833,506.36
  5. Step 5: Solve for x
    x = 230,833,506.36/19,145.46
  6. Step 6: Final answer
    x = 12,056.83

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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.