Home / 15,798.32-23,651.40-12,480.56

Finding the Fourth Proportional to 15,798.32, 23,651.40 and 12,480.56

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Solution

The fourth proportional to 15,798.32, 23,651.40 and 12,480.56 is: 18,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.32 : 23,651.40 = 12,480.56 : x
  2. Step 2: Convert to fraction form
    15,798.32/23,651.40 = 12,480.56/x
  3. Step 3: Cross multiply
    15,798.32x = 23,651.40 × 12,480.56
  4. Step 4: Simplify right side
    15,798.32x = 295,182,716.78
  5. Step 5: Solve for x
    x = 295,182,716.78/15,798.32
  6. Step 6: Final answer
    x = 18,684.44

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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.