Home / 19,922.92-29,856.41-15,744.56

Finding the Fourth Proportional to 19,922.92, 29,856.41 and 15,744.56

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Solution

The fourth proportional to 19,922.92, 29,856.41 and 15,744.56 is: 23,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.92 : 29,856.41 = 15,744.56 : x
  2. Step 2: Convert to fraction form
    19,922.92/29,856.41 = 15,744.56/x
  3. Step 3: Cross multiply
    19,922.92x = 29,856.41 × 15,744.56
  4. Step 4: Simplify right side
    19,922.92x = 470,076,038.63
  5. Step 5: Solve for x
    x = 470,076,038.63/19,922.92
  6. Step 6: Final answer
    x = 23,594.74

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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.