Home / 22,670.08-34,010.89-13,318.02

Finding the Fourth Proportional to 22,670.08, 34,010.89 and 13,318.02

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Solution

The fourth proportional to 22,670.08, 34,010.89 and 13,318.02 is: 19,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.08 : 34,010.89 = 13,318.02 : x
  2. Step 2: Convert to fraction form
    22,670.08/34,010.89 = 13,318.02/x
  3. Step 3: Cross multiply
    22,670.08x = 34,010.89 × 13,318.02
  4. Step 4: Simplify right side
    22,670.08x = 452,957,679.94
  5. Step 5: Solve for x
    x = 452,957,679.94/22,670.08
  6. Step 6: Final answer
    x = 19,980.42

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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.