Home / 32,725.44-45,161.28-19,121.40

Finding the Fourth Proportional to 32,725.44, 45,161.28 and 19,121.40

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Solution

The fourth proportional to 32,725.44, 45,161.28 and 19,121.40 is: 26,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.44 : 45,161.28 = 19,121.40 : x
  2. Step 2: Convert to fraction form
    32,725.44/45,161.28 = 19,121.40/x
  3. Step 3: Cross multiply
    32,725.44x = 45,161.28 × 19,121.40
  4. Step 4: Simplify right side
    32,725.44x = 863,546,899.39
  5. Step 5: Solve for x
    x = 863,546,899.39/32,725.44
  6. Step 6: Final answer
    x = 26,387.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.