Home / 15,276.32-21,090.84-11,732.48

Finding the Fourth Proportional to 15,276.32, 21,090.84 and 11,732.48

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Solution

The fourth proportional to 15,276.32, 21,090.84 and 11,732.48 is: 16,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276.32 : 21,090.84 = 11,732.48 : x
  2. Step 2: Convert to fraction form
    15,276.32/21,090.84 = 11,732.48/x
  3. Step 3: Cross multiply
    15,276.32x = 21,090.84 × 11,732.48
  4. Step 4: Simplify right side
    15,276.32x = 247,447,858.48
  5. Step 5: Solve for x
    x = 247,447,858.48/15,276.32
  6. Step 6: Final answer
    x = 16,198.13

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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.