Home / 19,762.15-29,610.31-13,906.46

Finding the Fourth Proportional to 19,762.15, 29,610.31 and 13,906.46

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Solution

The fourth proportional to 19,762.15, 29,610.31 and 13,906.46 is: 20,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.15 : 29,610.31 = 13,906.46 : x
  2. Step 2: Convert to fraction form
    19,762.15/29,610.31 = 13,906.46/x
  3. Step 3: Cross multiply
    19,762.15x = 29,610.31 × 13,906.46
  4. Step 4: Simplify right side
    19,762.15x = 411,774,591.60
  5. Step 5: Solve for x
    x = 411,774,591.60/19,762.15
  6. Step 6: Final answer
    x = 20,836.53

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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.