Home / 25,424.43-38,136.23-7,894.27

Finding the Fourth Proportional to 25,424.43, 38,136.23 and 7,894.27

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Solution

The fourth proportional to 25,424.43, 38,136.23 and 7,894.27 is: 11,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,424.43 : 38,136.23 = 7,894.27 : x
  2. Step 2: Convert to fraction form
    25,424.43/38,136.23 = 7,894.27/x
  3. Step 3: Cross multiply
    25,424.43x = 38,136.23 × 7,894.27
  4. Step 4: Simplify right side
    25,424.43x = 301,057,696.40
  5. Step 5: Solve for x
    x = 301,057,696.40/25,424.43
  6. Step 6: Final answer
    x = 11,841.28

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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.