Home / 14,910.61-20,575.60-8,196.07

Finding the Fourth Proportional to 14,910.61, 20,575.60 and 8,196.07

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Solution

The fourth proportional to 14,910.61, 20,575.60 and 8,196.07 is: 11,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.61 : 20,575.60 = 8,196.07 : x
  2. Step 2: Convert to fraction form
    14,910.61/20,575.60 = 8,196.07/x
  3. Step 3: Cross multiply
    14,910.61x = 20,575.60 × 8,196.07
  4. Step 4: Simplify right side
    14,910.61x = 168,639,057.89
  5. Step 5: Solve for x
    x = 168,639,057.89/14,910.61
  6. Step 6: Final answer
    x = 11,310.00

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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.