Home / 21,293.92-31,957.62-14,766.04

Finding the Fourth Proportional to 21,293.92, 31,957.62 and 14,766.04

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Solution

The fourth proportional to 21,293.92, 31,957.62 and 14,766.04 is: 22,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.92 : 31,957.62 = 14,766.04 : x
  2. Step 2: Convert to fraction form
    21,293.92/31,957.62 = 14,766.04/x
  3. Step 3: Cross multiply
    21,293.92x = 31,957.62 × 14,766.04
  4. Step 4: Simplify right side
    21,293.92x = 471,887,495.22
  5. Step 5: Solve for x
    x = 471,887,495.22/21,293.92
  6. Step 6: Final answer
    x = 22,160.67

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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.