Home / 36,385.61-54,578.43-11,427.84

Finding the Fourth Proportional to 36,385.61, 54,578.43 and 11,427.84

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Solution

The fourth proportional to 36,385.61, 54,578.43 and 11,427.84 is: 17,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.61 : 54,578.43 = 11,427.84 : x
  2. Step 2: Convert to fraction form
    36,385.61/54,578.43 = 11,427.84/x
  3. Step 3: Cross multiply
    36,385.61x = 54,578.43 × 11,427.84
  4. Step 4: Simplify right side
    36,385.61x = 623,713,565.49
  5. Step 5: Solve for x
    x = 623,713,565.49/36,385.61
  6. Step 6: Final answer
    x = 17,141.77

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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.