Home / 15,051.26-20,759.55-9,741.98

Finding the Fourth Proportional to 15,051.26, 20,759.55 and 9,741.98

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Solution

The fourth proportional to 15,051.26, 20,759.55 and 9,741.98 is: 13,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.26 : 20,759.55 = 9,741.98 : x
  2. Step 2: Convert to fraction form
    15,051.26/20,759.55 = 9,741.98/x
  3. Step 3: Cross multiply
    15,051.26x = 20,759.55 × 9,741.98
  4. Step 4: Simplify right side
    15,051.26x = 202,239,120.91
  5. Step 5: Solve for x
    x = 202,239,120.91/15,051.26
  6. Step 6: Final answer
    x = 13,436.69

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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.