Home / 19,760.15-29,607.32-13,904.46

Finding the Fourth Proportional to 19,760.15, 29,607.32 and 13,904.46

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Solution

The fourth proportional to 19,760.15, 29,607.32 and 13,904.46 is: 20,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.15 : 29,607.32 = 13,904.46 : x
  2. Step 2: Convert to fraction form
    19,760.15/29,607.32 = 13,904.46/x
  3. Step 3: Cross multiply
    19,760.15x = 29,607.32 × 13,904.46
  4. Step 4: Simplify right side
    19,760.15x = 411,673,579.09
  5. Step 5: Solve for x
    x = 411,673,579.09/19,760.15
  6. Step 6: Final answer
    x = 20,833.53

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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.