Home / 12,874.16-19,304.55-6,632.70

Finding the Fourth Proportional to 12,874.16, 19,304.55 and 6,632.70

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Solution

The fourth proportional to 12,874.16, 19,304.55 and 6,632.70 is: 9,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.16 : 19,304.55 = 6,632.70 : x
  2. Step 2: Convert to fraction form
    12,874.16/19,304.55 = 6,632.70/x
  3. Step 3: Cross multiply
    12,874.16x = 19,304.55 × 6,632.70
  4. Step 4: Simplify right side
    12,874.16x = 128,041,288.79
  5. Step 5: Solve for x
    x = 128,041,288.79/12,874.16
  6. Step 6: Final answer
    x = 9,945.61

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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.