Home / 21,160.92-29,200.84-11,598.94

Finding the Fourth Proportional to 21,160.92, 29,200.84 and 11,598.94

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Solution

The fourth proportional to 21,160.92, 29,200.84 and 11,598.94 is: 16,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.92 : 29,200.84 = 11,598.94 : x
  2. Step 2: Convert to fraction form
    21,160.92/29,200.84 = 11,598.94/x
  3. Step 3: Cross multiply
    21,160.92x = 29,200.84 × 11,598.94
  4. Step 4: Simplify right side
    21,160.92x = 338,698,791.11
  5. Step 5: Solve for x
    x = 338,698,791.11/21,160.92
  6. Step 6: Final answer
    x = 16,005.86

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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.