Home / 15,179.58-20,937.24-10,074.15

Finding the Fourth Proportional to 15,179.58, 20,937.24 and 10,074.15

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Solution

The fourth proportional to 15,179.58, 20,937.24 and 10,074.15 is: 13,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.58 : 20,937.24 = 10,074.15 : x
  2. Step 2: Convert to fraction form
    15,179.58/20,937.24 = 10,074.15/x
  3. Step 3: Cross multiply
    15,179.58x = 20,937.24 × 10,074.15
  4. Step 4: Simplify right side
    15,179.58x = 210,924,896.35
  5. Step 5: Solve for x
    x = 210,924,896.35/15,179.58
  6. Step 6: Final answer
    x = 13,895.31

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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.