Home / 20,484.59-30,728.56-5,693.51

Finding the Fourth Proportional to 20,484.59, 30,728.56 and 5,693.51

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Solution

The fourth proportional to 20,484.59, 30,728.56 and 5,693.51 is: 8,540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.59 : 30,728.56 = 5,693.51 : x
  2. Step 2: Convert to fraction form
    20,484.59/30,728.56 = 5,693.51/x
  3. Step 3: Cross multiply
    20,484.59x = 30,728.56 × 5,693.51
  4. Step 4: Simplify right side
    20,484.59x = 174,953,363.65
  5. Step 5: Solve for x
    x = 174,953,363.65/20,484.59
  6. Step 6: Final answer
    x = 8,540.73

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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.