Home / 15,057.35-20,796.58-10,012.83

Finding the Fourth Proportional to 15,057.35, 20,796.58 and 10,012.83

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Solution

The fourth proportional to 15,057.35, 20,796.58 and 10,012.83 is: 13,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.35 : 20,796.58 = 10,012.83 : x
  2. Step 2: Convert to fraction form
    15,057.35/20,796.58 = 10,012.83/x
  3. Step 3: Cross multiply
    15,057.35x = 20,796.58 × 10,012.83
  4. Step 4: Simplify right side
    15,057.35x = 208,232,620.12
  5. Step 5: Solve for x
    x = 208,232,620.12/15,057.35
  6. Step 6: Final answer
    x = 13,829.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.