Home / 36,849.76-55,274.64-9,147.76

Finding the Fourth Proportional to 36,849.76, 55,274.64 and 9,147.76

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Solution

The fourth proportional to 36,849.76, 55,274.64 and 9,147.76 is: 13,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,849.76 : 55,274.64 = 9,147.76 : x
  2. Step 2: Convert to fraction form
    36,849.76/55,274.64 = 9,147.76/x
  3. Step 3: Cross multiply
    36,849.76x = 55,274.64 × 9,147.76
  4. Step 4: Simplify right side
    36,849.76x = 505,638,968.32
  5. Step 5: Solve for x
    x = 505,638,968.32/36,849.76
  6. Step 6: Final answer
    x = 13,721.64

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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.