Home / 15,740.29-23,610.49-6,380.49

Finding the Fourth Proportional to 15,740.29, 23,610.49 and 6,380.49

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Solution

The fourth proportional to 15,740.29, 23,610.49 and 6,380.49 is: 9,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.29 : 23,610.49 = 6,380.49 : x
  2. Step 2: Convert to fraction form
    15,740.29/23,610.49 = 6,380.49/x
  3. Step 3: Cross multiply
    15,740.29x = 23,610.49 × 6,380.49
  4. Step 4: Simplify right side
    15,740.29x = 150,646,435.12
  5. Step 5: Solve for x
    x = 150,646,435.12/15,740.29
  6. Step 6: Final answer
    x = 9,570.75

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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.