Home / 20,737.89-28,607.38-14,025.77

Finding the Fourth Proportional to 20,737.89, 28,607.38 and 14,025.77

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Solution

The fourth proportional to 20,737.89, 28,607.38 and 14,025.77 is: 19,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.89 : 28,607.38 = 14,025.77 : x
  2. Step 2: Convert to fraction form
    20,737.89/28,607.38 = 14,025.77/x
  3. Step 3: Cross multiply
    20,737.89x = 28,607.38 × 14,025.77
  4. Step 4: Simplify right side
    20,737.89x = 401,240,622.28
  5. Step 5: Solve for x
    x = 401,240,622.28/20,737.89
  6. Step 6: Final answer
    x = 19,348.19

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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.