Home / 16,721.56-25,048.32-13,416.76

Finding the Fourth Proportional to 16,721.56, 25,048.32 and 13,416.76

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Solution

The fourth proportional to 16,721.56, 25,048.32 and 13,416.76 is: 20,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.56 : 25,048.32 = 13,416.76 : x
  2. Step 2: Convert to fraction form
    16,721.56/25,048.32 = 13,416.76/x
  3. Step 3: Cross multiply
    16,721.56x = 25,048.32 × 13,416.76
  4. Step 4: Simplify right side
    16,721.56x = 336,067,297.84
  5. Step 5: Solve for x
    x = 336,067,297.84/16,721.56
  6. Step 6: Final answer
    x = 20,097.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.