Home / 18,838.95-25,999.83-12,039.24

Finding the Fourth Proportional to 18,838.95, 25,999.83 and 12,039.24

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Solution

The fourth proportional to 18,838.95, 25,999.83 and 12,039.24 is: 16,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.95 : 25,999.83 = 12,039.24 : x
  2. Step 2: Convert to fraction form
    18,838.95/25,999.83 = 12,039.24/x
  3. Step 3: Cross multiply
    18,838.95x = 25,999.83 × 12,039.24
  4. Step 4: Simplify right side
    18,838.95x = 313,018,193.33
  5. Step 5: Solve for x
    x = 313,018,193.33/18,838.95
  6. Step 6: Final answer
    x = 16,615.48

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Similar ratio
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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.