Home / 21,204.92-29,266.28-11,776.52

Finding the Fourth Proportional to 21,204.92, 29,266.28 and 11,776.52

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Solution

The fourth proportional to 21,204.92, 29,266.28 and 11,776.52 is: 16,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.92 : 29,266.28 = 11,776.52 : x
  2. Step 2: Convert to fraction form
    21,204.92/29,266.28 = 11,776.52/x
  3. Step 3: Cross multiply
    21,204.92x = 29,266.28 × 11,776.52
  4. Step 4: Simplify right side
    21,204.92x = 344,654,931.75
  5. Step 5: Solve for x
    x = 344,654,931.75/21,204.92
  6. Step 6: Final answer
    x = 16,253.54

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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.