Home / 23,001.45-31,741.19-12,792.43

Finding the Fourth Proportional to 23,001.45, 31,741.19 and 12,792.43

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Solution

The fourth proportional to 23,001.45, 31,741.19 and 12,792.43 is: 17,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.45 : 31,741.19 = 12,792.43 : x
  2. Step 2: Convert to fraction form
    23,001.45/31,741.19 = 12,792.43/x
  3. Step 3: Cross multiply
    23,001.45x = 31,741.19 × 12,792.43
  4. Step 4: Simplify right side
    23,001.45x = 406,047,010.86
  5. Step 5: Solve for x
    x = 406,047,010.86/23,001.45
  6. Step 6: Final answer
    x = 17,653.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.