Home / 16,972.04-25,458.16-5,125.84

Finding the Fourth Proportional to 16,972.04, 25,458.16 and 5,125.84

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Solution

The fourth proportional to 16,972.04, 25,458.16 and 5,125.84 is: 7,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.04 : 25,458.16 = 5,125.84 : x
  2. Step 2: Convert to fraction form
    16,972.04/25,458.16 = 5,125.84/x
  3. Step 3: Cross multiply
    16,972.04x = 25,458.16 × 5,125.84
  4. Step 4: Simplify right side
    16,972.04x = 130,494,454.85
  5. Step 5: Solve for x
    x = 130,494,454.85/16,972.04
  6. Step 6: Final answer
    x = 7,688.79

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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.