Home / 20,792.22-28,700.10-16,551.06

Finding the Fourth Proportional to 20,792.22, 28,700.10 and 16,551.06

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Solution

The fourth proportional to 20,792.22, 28,700.10 and 16,551.06 is: 22,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.22 : 28,700.10 = 16,551.06 : x
  2. Step 2: Convert to fraction form
    20,792.22/28,700.10 = 16,551.06/x
  3. Step 3: Cross multiply
    20,792.22x = 28,700.10 × 16,551.06
  4. Step 4: Simplify right side
    20,792.22x = 475,017,077.11
  5. Step 5: Solve for x
    x = 475,017,077.11/20,792.22
  6. Step 6: Final answer
    x = 22,845.90

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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.