Home / 23,077.81-34,631.29-13,236.31

Finding the Fourth Proportional to 23,077.81, 34,631.29 and 13,236.31

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Solution

The fourth proportional to 23,077.81, 34,631.29 and 13,236.31 is: 19,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,077.81 : 34,631.29 = 13,236.31 : x
  2. Step 2: Convert to fraction form
    23,077.81/34,631.29 = 13,236.31/x
  3. Step 3: Cross multiply
    23,077.81x = 34,631.29 × 13,236.31
  4. Step 4: Simplify right side
    23,077.81x = 458,390,490.14
  5. Step 5: Solve for x
    x = 458,390,490.14/23,077.81
  6. Step 6: Final answer
    x = 19,862.82

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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.