Home / 65,933.91-98,917.26-19,186.78

Finding the Fourth Proportional to 65,933.91, 98,917.26 and 19,186.78

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Solution

The fourth proportional to 65,933.91, 98,917.26 and 19,186.78 is: 28,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,933.91 : 98,917.26 = 19,186.78 : x
  2. Step 2: Convert to fraction form
    65,933.91/98,917.26 = 19,186.78/x
  3. Step 3: Cross multiply
    65,933.91x = 98,917.26 × 19,186.78
  4. Step 4: Simplify right side
    65,933.91x = 1,897,903,901.42
  5. Step 5: Solve for x
    x = 1,897,903,901.42/65,933.91
  6. Step 6: Final answer
    x = 28,784.95

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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.