Home / 28,705.51-43,066.43-11,180.35

Finding the Fourth Proportional to 28,705.51, 43,066.43 and 11,180.35

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Solution

The fourth proportional to 28,705.51, 43,066.43 and 11,180.35 is: 16,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.51 : 43,066.43 = 11,180.35 : x
  2. Step 2: Convert to fraction form
    28,705.51/43,066.43 = 11,180.35/x
  3. Step 3: Cross multiply
    28,705.51x = 43,066.43 × 11,180.35
  4. Step 4: Simplify right side
    28,705.51x = 481,497,489.42
  5. Step 5: Solve for x
    x = 481,497,489.42/28,705.51
  6. Step 6: Final answer
    x = 16,773.70

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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.