Home / 23,073.76-31,865.16-19,880.56

Finding the Fourth Proportional to 23,073.76, 31,865.16 and 19,880.56

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Solution

The fourth proportional to 23,073.76, 31,865.16 and 19,880.56 is: 27,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,073.76 : 31,865.16 = 19,880.56 : x
  2. Step 2: Convert to fraction form
    23,073.76/31,865.16 = 19,880.56/x
  3. Step 3: Cross multiply
    23,073.76x = 31,865.16 × 19,880.56
  4. Step 4: Simplify right side
    23,073.76x = 633,497,225.29
  5. Step 5: Solve for x
    x = 633,497,225.29/23,073.76
  6. Step 6: Final answer
    x = 27,455.31

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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.