Home / 15,197.22-20,974.37-10,962.32

Finding the Fourth Proportional to 15,197.22, 20,974.37 and 10,962.32

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Solution

The fourth proportional to 15,197.22, 20,974.37 and 10,962.32 is: 15,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.22 : 20,974.37 = 10,962.32 : x
  2. Step 2: Convert to fraction form
    15,197.22/20,974.37 = 10,962.32/x
  3. Step 3: Cross multiply
    15,197.22x = 20,974.37 × 10,962.32
  4. Step 4: Simplify right side
    15,197.22x = 229,927,596.05
  5. Step 5: Solve for x
    x = 229,927,596.05/15,197.22
  6. Step 6: Final answer
    x = 15,129.58

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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.