Home / 21,924.76-32,886-19,487.56

Finding the Fourth Proportional to 21,924.76, 32,886 and 19,487.56

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Solution

The fourth proportional to 21,924.76, 32,886 and 19,487.56 is: 29,230.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.76 : 32,886 = 19,487.56 : x
  2. Step 2: Convert to fraction form
    21,924.76/32,886 = 19,487.56/x
  3. Step 3: Cross multiply
    21,924.76x = 32,886 × 19,487.56
  4. Step 4: Simplify right side
    21,924.76x = 640,867,898.16
  5. Step 5: Solve for x
    x = 640,867,898.16/21,924.76
  6. Step 6: Final answer
    x = 29,230.33

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1.5x scale

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.