Home / 16,615.05-24,892.20-7,830.60

Finding the Fourth Proportional to 16,615.05, 24,892.20 and 7,830.60

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Solution

The fourth proportional to 16,615.05, 24,892.20 and 7,830.60 is: 11,731.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.05 : 24,892.20 = 7,830.60 : x
  2. Step 2: Convert to fraction form
    16,615.05/24,892.20 = 7,830.60/x
  3. Step 3: Cross multiply
    16,615.05x = 24,892.20 × 7,830.60
  4. Step 4: Simplify right side
    16,615.05x = 194,920,861.32
  5. Step 5: Solve for x
    x = 194,920,861.32/16,615.05
  6. Step 6: Final answer
    x = 11,731.58

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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.