Home / 20,792.73-28,671.27-14,066.70

Finding the Fourth Proportional to 20,792.73, 28,671.27 and 14,066.70

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Solution

The fourth proportional to 20,792.73, 28,671.27 and 14,066.70 is: 19,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.73 : 28,671.27 = 14,066.70 : x
  2. Step 2: Convert to fraction form
    20,792.73/28,671.27 = 14,066.70/x
  3. Step 3: Cross multiply
    20,792.73x = 28,671.27 × 14,066.70
  4. Step 4: Simplify right side
    20,792.73x = 403,310,153.71
  5. Step 5: Solve for x
    x = 403,310,153.71/20,792.73
  6. Step 6: Final answer
    x = 19,396.69

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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.