Home / 15,500.46-23,250.54-3,813.68

Finding the Fourth Proportional to 15,500.46, 23,250.54 and 3,813.68

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Solution

The fourth proportional to 15,500.46, 23,250.54 and 3,813.68 is: 5,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.46 : 23,250.54 = 3,813.68 : x
  2. Step 2: Convert to fraction form
    15,500.46/23,250.54 = 3,813.68/x
  3. Step 3: Cross multiply
    15,500.46x = 23,250.54 × 3,813.68
  4. Step 4: Simplify right side
    15,500.46x = 88,669,984.07
  5. Step 5: Solve for x
    x = 88,669,984.07/15,500.46
  6. Step 6: Final answer
    x = 5,720.47

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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.