Home / 13,913.48-19,200.66-7,625.96

Finding the Fourth Proportional to 13,913.48, 19,200.66 and 7,625.96

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Solution

The fourth proportional to 13,913.48, 19,200.66 and 7,625.96 is: 10,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.48 : 19,200.66 = 7,625.96 : x
  2. Step 2: Convert to fraction form
    13,913.48/19,200.66 = 7,625.96/x
  3. Step 3: Cross multiply
    13,913.48x = 19,200.66 × 7,625.96
  4. Step 4: Simplify right side
    13,913.48x = 146,423,465.13
  5. Step 5: Solve for x
    x = 146,423,465.13/13,913.48
  6. Step 6: Final answer
    x = 10,523.86

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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.