Home / 20,583.75-28,425.76-17,582.09

Finding the Fourth Proportional to 20,583.75, 28,425.76 and 17,582.09

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Solution

The fourth proportional to 20,583.75, 28,425.76 and 17,582.09 is: 24,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.75 : 28,425.76 = 17,582.09 : x
  2. Step 2: Convert to fraction form
    20,583.75/28,425.76 = 17,582.09/x
  3. Step 3: Cross multiply
    20,583.75x = 28,425.76 × 17,582.09
  4. Step 4: Simplify right side
    20,583.75x = 499,784,341.70
  5. Step 5: Solve for x
    x = 499,784,341.70/20,583.75
  6. Step 6: Final answer
    x = 24,280.53

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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.