Home / 15,766.20-23,649.30-15,535.80

Finding the Fourth Proportional to 15,766.20, 23,649.30 and 15,535.80

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Solution

The fourth proportional to 15,766.20, 23,649.30 and 15,535.80 is: 23,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.20 : 23,649.30 = 15,535.80 : x
  2. Step 2: Convert to fraction form
    15,766.20/23,649.30 = 15,535.80/x
  3. Step 3: Cross multiply
    15,766.20x = 23,649.30 × 15,535.80
  4. Step 4: Simplify right side
    15,766.20x = 367,410,794.94
  5. Step 5: Solve for x
    x = 367,410,794.94/15,766.20
  6. Step 6: Final answer
    x = 23,303.70

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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.