Home / 20,582.96-28,389.88-17,425.48

Finding the Fourth Proportional to 20,582.96, 28,389.88 and 17,425.48

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Solution

The fourth proportional to 20,582.96, 28,389.88 and 17,425.48 is: 24,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.96 : 28,389.88 = 17,425.48 : x
  2. Step 2: Convert to fraction form
    20,582.96/28,389.88 = 17,425.48/x
  3. Step 3: Cross multiply
    20,582.96x = 28,389.88 × 17,425.48
  4. Step 4: Simplify right side
    20,582.96x = 494,707,258.73
  5. Step 5: Solve for x
    x = 494,707,258.73/20,582.96
  6. Step 6: Final answer
    x = 24,034.80

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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.