Home / 20,734.36-28,604.32-14,017.54

Finding the Fourth Proportional to 20,734.36, 28,604.32 and 14,017.54

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Solution

The fourth proportional to 20,734.36, 28,604.32 and 14,017.54 is: 19,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.36 : 28,604.32 = 14,017.54 : x
  2. Step 2: Convert to fraction form
    20,734.36/28,604.32 = 14,017.54/x
  3. Step 3: Cross multiply
    20,734.36x = 28,604.32 × 14,017.54
  4. Step 4: Simplify right side
    20,734.36x = 400,962,199.77
  5. Step 5: Solve for x
    x = 400,962,199.77/20,734.36
  6. Step 6: Final answer
    x = 19,338.06

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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.