Home / 25,515.98-38,269.66-7,742.36

Finding the Fourth Proportional to 25,515.98, 38,269.66 and 7,742.36

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Solution

The fourth proportional to 25,515.98, 38,269.66 and 7,742.36 is: 11,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.98 : 38,269.66 = 7,742.36 : x
  2. Step 2: Convert to fraction form
    25,515.98/38,269.66 = 7,742.36/x
  3. Step 3: Cross multiply
    25,515.98x = 38,269.66 × 7,742.36
  4. Step 4: Simplify right side
    25,515.98x = 296,297,484.80
  5. Step 5: Solve for x
    x = 296,297,484.80/25,515.98
  6. Step 6: Final answer
    x = 11,612.23

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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.