Home / 16,839.92-25,260.18-5,153.12

Finding the Fourth Proportional to 16,839.92, 25,260.18 and 5,153.12

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Solution

The fourth proportional to 16,839.92, 25,260.18 and 5,153.12 is: 7,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839.92 : 25,260.18 = 5,153.12 : x
  2. Step 2: Convert to fraction form
    16,839.92/25,260.18 = 5,153.12/x
  3. Step 3: Cross multiply
    16,839.92x = 25,260.18 × 5,153.12
  4. Step 4: Simplify right side
    16,839.92x = 130,168,738.76
  5. Step 5: Solve for x
    x = 130,168,738.76/16,839.92
  6. Step 6: Final answer
    x = 7,729.77

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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.