Home / 15,825.20-23,718.60-7,050.80

Finding the Fourth Proportional to 15,825.20, 23,718.60 and 7,050.80

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Solution

The fourth proportional to 15,825.20, 23,718.60 and 7,050.80 is: 10,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.20 : 23,718.60 = 7,050.80 : x
  2. Step 2: Convert to fraction form
    15,825.20/23,718.60 = 7,050.80/x
  3. Step 3: Cross multiply
    15,825.20x = 23,718.60 × 7,050.80
  4. Step 4: Simplify right side
    15,825.20x = 167,235,104.88
  5. Step 5: Solve for x
    x = 167,235,104.88/15,825.20
  6. Step 6: Final answer
    x = 10,567.65

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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.