Home / 15,740.40-23,610.63-5,352.15

Finding the Fourth Proportional to 15,740.40, 23,610.63 and 5,352.15

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Solution

The fourth proportional to 15,740.40, 23,610.63 and 5,352.15 is: 8,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.40 : 23,610.63 = 5,352.15 : x
  2. Step 2: Convert to fraction form
    15,740.40/23,610.63 = 5,352.15/x
  3. Step 3: Cross multiply
    15,740.40x = 23,610.63 × 5,352.15
  4. Step 4: Simplify right side
    15,740.40x = 126,367,633.35
  5. Step 5: Solve for x
    x = 126,367,633.35/15,740.40
  6. Step 6: Final answer
    x = 8,028.24

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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.