Home / 14,129.11-19,499.10-7,841.48

Finding the Fourth Proportional to 14,129.11, 19,499.10 and 7,841.48

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Solution

The fourth proportional to 14,129.11, 19,499.10 and 7,841.48 is: 10,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.11 : 19,499.10 = 7,841.48 : x
  2. Step 2: Convert to fraction form
    14,129.11/19,499.10 = 7,841.48/x
  3. Step 3: Cross multiply
    14,129.11x = 19,499.10 × 7,841.48
  4. Step 4: Simplify right side
    14,129.11x = 152,901,802.67
  5. Step 5: Solve for x
    x = 152,901,802.67/14,129.11
  6. Step 6: Final answer
    x = 10,821.76

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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.