Home / 16,806.10-25,209.15-15,999.70

Finding the Fourth Proportional to 16,806.10, 25,209.15 and 15,999.70

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Solution

The fourth proportional to 16,806.10, 25,209.15 and 15,999.70 is: 23,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.10 : 25,209.15 = 15,999.70 : x
  2. Step 2: Convert to fraction form
    16,806.10/25,209.15 = 15,999.70/x
  3. Step 3: Cross multiply
    16,806.10x = 25,209.15 × 15,999.70
  4. Step 4: Simplify right side
    16,806.10x = 403,338,837.26
  5. Step 5: Solve for x
    x = 403,338,837.26/16,806.10
  6. Step 6: Final answer
    x = 23,999.55

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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.