Home / 21,013.45-29,026.95-16,794.08

Finding the Fourth Proportional to 21,013.45, 29,026.95 and 16,794.08

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Solution

The fourth proportional to 21,013.45, 29,026.95 and 16,794.08 is: 23,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013.45 : 29,026.95 = 16,794.08 : x
  2. Step 2: Convert to fraction form
    21,013.45/29,026.95 = 16,794.08/x
  3. Step 3: Cross multiply
    21,013.45x = 29,026.95 × 16,794.08
  4. Step 4: Simplify right side
    21,013.45x = 487,480,691.35
  5. Step 5: Solve for x
    x = 487,480,691.35/21,013.45
  6. Step 6: Final answer
    x = 23,198.51

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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.