Home / 22,588.16-31,171.26-12,516.56

Finding the Fourth Proportional to 22,588.16, 31,171.26 and 12,516.56

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Solution

The fourth proportional to 22,588.16, 31,171.26 and 12,516.56 is: 17,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,588.16 : 31,171.26 = 12,516.56 : x
  2. Step 2: Convert to fraction form
    22,588.16/31,171.26 = 12,516.56/x
  3. Step 3: Cross multiply
    22,588.16x = 31,171.26 × 12,516.56
  4. Step 4: Simplify right side
    22,588.16x = 390,156,946.07
  5. Step 5: Solve for x
    x = 390,156,946.07/22,588.16
  6. Step 6: Final answer
    x = 17,272.63

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