Home / 16,659.88-25,002.78-15,626.32

Finding the Fourth Proportional to 16,659.88, 25,002.78 and 15,626.32

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Solution

The fourth proportional to 16,659.88, 25,002.78 and 15,626.32 is: 23,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.88 : 25,002.78 = 15,626.32 : x
  2. Step 2: Convert to fraction form
    16,659.88/25,002.78 = 15,626.32/x
  3. Step 3: Cross multiply
    16,659.88x = 25,002.78 × 15,626.32
  4. Step 4: Simplify right side
    16,659.88x = 390,701,441.17
  5. Step 5: Solve for x
    x = 390,701,441.17/16,659.88
  6. Step 6: Final answer
    x = 23,451.64

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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.