Home / 28,755.81-43,144.65-14,722.56

Finding the Fourth Proportional to 28,755.81, 43,144.65 and 14,722.56

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Solution

The fourth proportional to 28,755.81, 43,144.65 and 14,722.56 is: 22,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755.81 : 43,144.65 = 14,722.56 : x
  2. Step 2: Convert to fraction form
    28,755.81/43,144.65 = 14,722.56/x
  3. Step 3: Cross multiply
    28,755.81x = 43,144.65 × 14,722.56
  4. Step 4: Simplify right side
    28,755.81x = 635,199,698.30
  5. Step 5: Solve for x
    x = 635,199,698.30/28,755.81
  6. Step 6: Final answer
    x = 22,089.44

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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.