Home / 19,711.48-29,560.86-6,560.36

Finding the Fourth Proportional to 19,711.48, 29,560.86 and 6,560.36

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Solution

The fourth proportional to 19,711.48, 29,560.86 and 6,560.36 is: 9,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.48 : 29,560.86 = 6,560.36 : x
  2. Step 2: Convert to fraction form
    19,711.48/29,560.86 = 6,560.36/x
  3. Step 3: Cross multiply
    19,711.48x = 29,560.86 × 6,560.36
  4. Step 4: Simplify right side
    19,711.48x = 193,929,883.51
  5. Step 5: Solve for x
    x = 193,929,883.51/19,711.48
  6. Step 6: Final answer
    x = 9,838.42

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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.