Home / 53,441.74-80,160.42-13,997.98

Finding the Fourth Proportional to 53,441.74, 80,160.42 and 13,997.98

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Solution

The fourth proportional to 53,441.74, 80,160.42 and 13,997.98 is: 20,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,441.74 : 80,160.42 = 13,997.98 : x
  2. Step 2: Convert to fraction form
    53,441.74/80,160.42 = 13,997.98/x
  3. Step 3: Cross multiply
    53,441.74x = 80,160.42 × 13,997.98
  4. Step 4: Simplify right side
    53,441.74x = 1,122,083,955.95
  5. Step 5: Solve for x
    x = 1,122,083,955.95/53,441.74
  6. Step 6: Final answer
    x = 20,996.40

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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.