Home / 22,145.90-33,218.85-16,897.10

Finding the Fourth Proportional to 22,145.90, 33,218.85 and 16,897.10

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Solution

The fourth proportional to 22,145.90, 33,218.85 and 16,897.10 is: 25,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.90 : 33,218.85 = 16,897.10 : x
  2. Step 2: Convert to fraction form
    22,145.90/33,218.85 = 16,897.10/x
  3. Step 3: Cross multiply
    22,145.90x = 33,218.85 × 16,897.10
  4. Step 4: Simplify right side
    22,145.90x = 561,302,230.34
  5. Step 5: Solve for x
    x = 561,302,230.34/22,145.90
  6. Step 6: Final answer
    x = 25,345.65

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Double scale
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Similar ratio
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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.