Home / 27,187.98-37,532.60-18,232.21

Finding the Fourth Proportional to 27,187.98, 37,532.60 and 18,232.21

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Solution

The fourth proportional to 27,187.98, 37,532.60 and 18,232.21 is: 25,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.98 : 37,532.60 = 18,232.21 : x
  2. Step 2: Convert to fraction form
    27,187.98/37,532.60 = 18,232.21/x
  3. Step 3: Cross multiply
    27,187.98x = 37,532.60 × 18,232.21
  4. Step 4: Simplify right side
    27,187.98x = 684,302,153.88
  5. Step 5: Solve for x
    x = 684,302,153.88/27,187.98
  6. Step 6: Final answer
    x = 25,169.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.