Home / 17,829.20-26,772.60-12,933.20

Finding the Fourth Proportional to 17,829.20, 26,772.60 and 12,933.20

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Solution

The fourth proportional to 17,829.20, 26,772.60 and 12,933.20 is: 19,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,829.20 : 26,772.60 = 12,933.20 : x
  2. Step 2: Convert to fraction form
    17,829.20/26,772.60 = 12,933.20/x
  3. Step 3: Cross multiply
    17,829.20x = 26,772.60 × 12,933.20
  4. Step 4: Simplify right side
    17,829.20x = 346,255,390.32
  5. Step 5: Solve for x
    x = 346,255,390.32/17,829.20
  6. Step 6: Final answer
    x = 19,420.69

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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.