Home / 14,981.05-20,761.25-14,769.64

Finding the Fourth Proportional to 14,981.05, 20,761.25 and 14,769.64

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Solution

The fourth proportional to 14,981.05, 20,761.25 and 14,769.64 is: 20,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.05 : 20,761.25 = 14,769.64 : x
  2. Step 2: Convert to fraction form
    14,981.05/20,761.25 = 14,769.64/x
  3. Step 3: Cross multiply
    14,981.05x = 20,761.25 × 14,769.64
  4. Step 4: Simplify right side
    14,981.05x = 306,636,140.55
  5. Step 5: Solve for x
    x = 306,636,140.55/14,981.05
  6. Step 6: Final answer
    x = 20,468.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.