Home / 21,355.94-29,472.51-11,924.50

Finding the Fourth Proportional to 21,355.94, 29,472.51 and 11,924.50

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Solution

The fourth proportional to 21,355.94, 29,472.51 and 11,924.50 is: 16,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.94 : 29,472.51 = 11,924.50 : x
  2. Step 2: Convert to fraction form
    21,355.94/29,472.51 = 11,924.50/x
  3. Step 3: Cross multiply
    21,355.94x = 29,472.51 × 11,924.50
  4. Step 4: Simplify right side
    21,355.94x = 351,444,885.87
  5. Step 5: Solve for x
    x = 351,444,885.87/21,355.94
  6. Step 6: Final answer
    x = 16,456.54

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1.5x scale

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.