Home / 19,076.72-28,619.93-5,929.20

Finding the Fourth Proportional to 19,076.72, 28,619.93 and 5,929.20

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Solution

The fourth proportional to 19,076.72, 28,619.93 and 5,929.20 is: 8,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.72 : 28,619.93 = 5,929.20 : x
  2. Step 2: Convert to fraction form
    19,076.72/28,619.93 = 5,929.20/x
  3. Step 3: Cross multiply
    19,076.72x = 28,619.93 × 5,929.20
  4. Step 4: Simplify right side
    19,076.72x = 169,693,303.78
  5. Step 5: Solve for x
    x = 169,693,303.78/19,076.72
  6. Step 6: Final answer
    x = 8,895.31

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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.