Home / 20,482.59-30,725.56-5,691.51

Finding the Fourth Proportional to 20,482.59, 30,725.56 and 5,691.51

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Solution

The fourth proportional to 20,482.59, 30,725.56 and 5,691.51 is: 8,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.59 : 30,725.56 = 5,691.51 : x
  2. Step 2: Convert to fraction form
    20,482.59/30,725.56 = 5,691.51/x
  3. Step 3: Cross multiply
    20,482.59x = 30,725.56 × 5,691.51
  4. Step 4: Simplify right side
    20,482.59x = 174,874,909.52
  5. Step 5: Solve for x
    x = 174,874,909.52/20,482.59
  6. Step 6: Final answer
    x = 8,537.73

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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.