Home / 25,790.49-38,683.59-18,262.95

Finding the Fourth Proportional to 25,790.49, 38,683.59 and 18,262.95

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Solution

The fourth proportional to 25,790.49, 38,683.59 and 18,262.95 is: 27,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.49 : 38,683.59 = 18,262.95 : x
  2. Step 2: Convert to fraction form
    25,790.49/38,683.59 = 18,262.95/x
  3. Step 3: Cross multiply
    25,790.49x = 38,683.59 × 18,262.95
  4. Step 4: Simplify right side
    25,790.49x = 706,476,469.99
  5. Step 5: Solve for x
    x = 706,476,469.99/25,790.49
  6. Step 6: Final answer
    x = 27,392.91

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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.