Home / 15,090.72-22,636.80-8,067.84

Finding the Fourth Proportional to 15,090.72, 22,636.80 and 8,067.84

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Solution

The fourth proportional to 15,090.72, 22,636.80 and 8,067.84 is: 12,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.72 : 22,636.80 = 8,067.84 : x
  2. Step 2: Convert to fraction form
    15,090.72/22,636.80 = 8,067.84/x
  3. Step 3: Cross multiply
    15,090.72x = 22,636.80 × 8,067.84
  4. Step 4: Simplify right side
    15,090.72x = 182,630,080.51
  5. Step 5: Solve for x
    x = 182,630,080.51/15,090.72
  6. Step 6: Final answer
    x = 12,102.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.