Home / 25,130.66-37,638.57-11,992.26

Finding the Fourth Proportional to 25,130.66, 37,638.57 and 11,992.26

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Solution

The fourth proportional to 25,130.66, 37,638.57 and 11,992.26 is: 17,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.66 : 37,638.57 = 11,992.26 : x
  2. Step 2: Convert to fraction form
    25,130.66/37,638.57 = 11,992.26/x
  3. Step 3: Cross multiply
    25,130.66x = 37,638.57 × 11,992.26
  4. Step 4: Simplify right side
    25,130.66x = 451,371,329.28
  5. Step 5: Solve for x
    x = 451,371,329.28/25,130.66
  6. Step 6: Final answer
    x = 17,960.99

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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.