Home / 19,929.00-27,503.27-10,976.50

Finding the Fourth Proportional to 19,929.00, 27,503.27 and 10,976.50

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Solution

The fourth proportional to 19,929.00, 27,503.27 and 10,976.50 is: 15,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.00 : 27,503.27 = 10,976.50 : x
  2. Step 2: Convert to fraction form
    19,929.00/27,503.27 = 10,976.50/x
  3. Step 3: Cross multiply
    19,929.00x = 27,503.27 × 10,976.50
  4. Step 4: Simplify right side
    19,929.00x = 301,889,772.04
  5. Step 5: Solve for x
    x = 301,889,772.04/19,929.00
  6. Step 6: Final answer
    x = 15,148.26

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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.