Home / 15,074.94-20,803.04-8,360.52

Finding the Fourth Proportional to 15,074.94, 20,803.04 and 8,360.52

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Solution

The fourth proportional to 15,074.94, 20,803.04 and 8,360.52 is: 11,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.94 : 20,803.04 = 8,360.52 : x
  2. Step 2: Convert to fraction form
    15,074.94/20,803.04 = 8,360.52/x
  3. Step 3: Cross multiply
    15,074.94x = 20,803.04 × 8,360.52
  4. Step 4: Simplify right side
    15,074.94x = 173,924,231.98
  5. Step 5: Solve for x
    x = 173,924,231.98/15,074.94
  6. Step 6: Final answer
    x = 11,537.31

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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.