Home / 25,424.74-38,136.70-7,894.58

Finding the Fourth Proportional to 25,424.74, 38,136.70 and 7,894.58

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Solution

The fourth proportional to 25,424.74, 38,136.70 and 7,894.58 is: 11,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.74 : 38,136.70 = 7,894.58 : x
  2. Step 2: Convert to fraction form
    25,424.74/38,136.70 = 7,894.58/x
  3. Step 3: Cross multiply
    25,424.74x = 38,136.70 × 7,894.58
  4. Step 4: Simplify right side
    25,424.74x = 301,073,304.69
  5. Step 5: Solve for x
    x = 301,073,304.69/25,424.74
  6. Step 6: Final answer
    x = 11,841.75

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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.