Home / 12,226.04-18,349.54-12,134.00

Finding the Fourth Proportional to 12,226.04, 18,349.54 and 12,134.00

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Solution

The fourth proportional to 12,226.04, 18,349.54 and 12,134.00 is: 18,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.04 : 18,349.54 = 12,134.00 : x
  2. Step 2: Convert to fraction form
    12,226.04/18,349.54 = 12,134.00/x
  3. Step 3: Cross multiply
    12,226.04x = 18,349.54 × 12,134.00
  4. Step 4: Simplify right side
    12,226.04x = 222,653,333.90
  5. Step 5: Solve for x
    x = 222,653,333.90/12,226.04
  6. Step 6: Final answer
    x = 18,211.40

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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.