Home / 15,756.46-23,612.40-8,739.56

Finding the Fourth Proportional to 15,756.46, 23,612.40 and 8,739.56

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Solution

The fourth proportional to 15,756.46, 23,612.40 and 8,739.56 is: 13,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.46 : 23,612.40 = 8,739.56 : x
  2. Step 2: Convert to fraction form
    15,756.46/23,612.40 = 8,739.56/x
  3. Step 3: Cross multiply
    15,756.46x = 23,612.40 × 8,739.56
  4. Step 4: Simplify right side
    15,756.46x = 206,361,986.54
  5. Step 5: Solve for x
    x = 206,361,986.54/15,756.46
  6. Step 6: Final answer
    x = 13,096.98

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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.