Home / 19,261.38-28,895.12-8,168.16

Finding the Fourth Proportional to 19,261.38, 28,895.12 and 8,168.16

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Solution

The fourth proportional to 19,261.38, 28,895.12 and 8,168.16 is: 12,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.38 : 28,895.12 = 8,168.16 : x
  2. Step 2: Convert to fraction form
    19,261.38/28,895.12 = 8,168.16/x
  3. Step 3: Cross multiply
    19,261.38x = 28,895.12 × 8,168.16
  4. Step 4: Simplify right side
    19,261.38x = 236,019,963.38
  5. Step 5: Solve for x
    x = 236,019,963.38/19,261.38
  6. Step 6: Final answer
    x = 12,253.53

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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.