Home / 12,967.62-19,446.54-4,200.18

Finding the Fourth Proportional to 12,967.62, 19,446.54 and 4,200.18

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Solution

The fourth proportional to 12,967.62, 19,446.54 and 4,200.18 is: 6,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.62 : 19,446.54 = 4,200.18 : x
  2. Step 2: Convert to fraction form
    12,967.62/19,446.54 = 4,200.18/x
  3. Step 3: Cross multiply
    12,967.62x = 19,446.54 × 4,200.18
  4. Step 4: Simplify right side
    12,967.62x = 81,678,968.38
  5. Step 5: Solve for x
    x = 81,678,968.38/12,967.62
  6. Step 6: Final answer
    x = 6,298.69

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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.