Home / 15,651.68-23,485.12-6,885.46

Finding the Fourth Proportional to 15,651.68, 23,485.12 and 6,885.46

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Solution

The fourth proportional to 15,651.68, 23,485.12 and 6,885.46 is: 10,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.68 : 23,485.12 = 6,885.46 : x
  2. Step 2: Convert to fraction form
    15,651.68/23,485.12 = 6,885.46/x
  3. Step 3: Cross multiply
    15,651.68x = 23,485.12 × 6,885.46
  4. Step 4: Simplify right side
    15,651.68x = 161,705,778.43
  5. Step 5: Solve for x
    x = 161,705,778.43/15,651.68
  6. Step 6: Final answer
    x = 10,331.53

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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.