Home / 15,772.30-23,629.65-12,834.70

Finding the Fourth Proportional to 15,772.30, 23,629.65 and 12,834.70

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Solution

The fourth proportional to 15,772.30, 23,629.65 and 12,834.70 is: 19,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.30 : 23,629.65 = 12,834.70 : x
  2. Step 2: Convert to fraction form
    15,772.30/23,629.65 = 12,834.70/x
  3. Step 3: Cross multiply
    15,772.30x = 23,629.65 × 12,834.70
  4. Step 4: Simplify right side
    15,772.30x = 303,279,468.86
  5. Step 5: Solve for x
    x = 303,279,468.86/15,772.30
  6. Step 6: Final answer
    x = 19,228.61

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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.