Home / 15,695.09-21,659.45-8,525.03

Finding the Fourth Proportional to 15,695.09, 21,659.45 and 8,525.03

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Solution

The fourth proportional to 15,695.09, 21,659.45 and 8,525.03 is: 11,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.09 : 21,659.45 = 8,525.03 : x
  2. Step 2: Convert to fraction form
    15,695.09/21,659.45 = 8,525.03/x
  3. Step 3: Cross multiply
    15,695.09x = 21,659.45 × 8,525.03
  4. Step 4: Simplify right side
    15,695.09x = 184,647,310.11
  5. Step 5: Solve for x
    x = 184,647,310.11/15,695.09
  6. Step 6: Final answer
    x = 11,764.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.