Home / 19,104.50-26,364.22-10,721

Finding the Fourth Proportional to 19,104.50, 26,364.22 and 10,721

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Solution

The fourth proportional to 19,104.50, 26,364.22 and 10,721 is: 14,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.50 : 26,364.22 = 10,721 : x
  2. Step 2: Convert to fraction form
    19,104.50/26,364.22 = 10,721/x
  3. Step 3: Cross multiply
    19,104.50x = 26,364.22 × 10,721
  4. Step 4: Simplify right side
    19,104.50x = 282,650,802.62
  5. Step 5: Solve for x
    x = 282,650,802.62/19,104.50
  6. Step 6: Final answer
    x = 14,794.99

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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.