Home / 43,092.75-64,642.91-11,928.27

Finding the Fourth Proportional to 43,092.75, 64,642.91 and 11,928.27

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Solution

The fourth proportional to 43,092.75, 64,642.91 and 11,928.27 is: 17,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092.75 : 64,642.91 = 11,928.27 : x
  2. Step 2: Convert to fraction form
    43,092.75/64,642.91 = 11,928.27/x
  3. Step 3: Cross multiply
    43,092.75x = 64,642.91 × 11,928.27
  4. Step 4: Simplify right side
    43,092.75x = 771,078,024.42
  5. Step 5: Solve for x
    x = 771,078,024.42/43,092.75
  6. Step 6: Final answer
    x = 17,893.45

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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.