Home / 16,721.99-25,084.34-8,397.72

Finding the Fourth Proportional to 16,721.99, 25,084.34 and 8,397.72

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Solution

The fourth proportional to 16,721.99, 25,084.34 and 8,397.72 is: 12,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.99 : 25,084.34 = 8,397.72 : x
  2. Step 2: Convert to fraction form
    16,721.99/25,084.34 = 8,397.72/x
  3. Step 3: Cross multiply
    16,721.99x = 25,084.34 × 8,397.72
  4. Step 4: Simplify right side
    16,721.99x = 210,651,284.70
  5. Step 5: Solve for x
    x = 210,651,284.70/16,721.99
  6. Step 6: Final answer
    x = 12,597.27

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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.