Home / 13,248.86-19,876.01-3,889.17

Finding the Fourth Proportional to 13,248.86, 19,876.01 and 3,889.17

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Solution

The fourth proportional to 13,248.86, 19,876.01 and 3,889.17 is: 5,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.86 : 19,876.01 = 3,889.17 : x
  2. Step 2: Convert to fraction form
    13,248.86/19,876.01 = 3,889.17/x
  3. Step 3: Cross multiply
    13,248.86x = 19,876.01 × 3,889.17
  4. Step 4: Simplify right side
    13,248.86x = 77,301,162.37
  5. Step 5: Solve for x
    x = 77,301,162.37/13,248.86
  6. Step 6: Final answer
    x = 5,834.55

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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.