Home / 33,147.95-49,725.16-9,781.07

Finding the Fourth Proportional to 33,147.95, 49,725.16 and 9,781.07

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Solution

The fourth proportional to 33,147.95, 49,725.16 and 9,781.07 is: 14,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,147.95 : 49,725.16 = 9,781.07 : x
  2. Step 2: Convert to fraction form
    33,147.95/49,725.16 = 9,781.07/x
  3. Step 3: Cross multiply
    33,147.95x = 49,725.16 × 9,781.07
  4. Step 4: Simplify right side
    33,147.95x = 486,364,997.64
  5. Step 5: Solve for x
    x = 486,364,997.64/33,147.95
  6. Step 6: Final answer
    x = 14,672.55

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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.