Home / 14,897.49-20,560.35-8,609.86

Finding the Fourth Proportional to 14,897.49, 20,560.35 and 8,609.86

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Solution

The fourth proportional to 14,897.49, 20,560.35 and 8,609.86 is: 11,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.49 : 20,560.35 = 8,609.86 : x
  2. Step 2: Convert to fraction form
    14,897.49/20,560.35 = 8,609.86/x
  3. Step 3: Cross multiply
    14,897.49x = 20,560.35 × 8,609.86
  4. Step 4: Simplify right side
    14,897.49x = 177,021,735.05
  5. Step 5: Solve for x
    x = 177,021,735.05/14,897.49
  6. Step 6: Final answer
    x = 11,882.66

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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.