Home / 18,736.94-25,856.20-10,239.35

Finding the Fourth Proportional to 18,736.94, 25,856.20 and 10,239.35

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Solution

The fourth proportional to 18,736.94, 25,856.20 and 10,239.35 is: 14,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.94 : 25,856.20 = 10,239.35 : x
  2. Step 2: Convert to fraction form
    18,736.94/25,856.20 = 10,239.35/x
  3. Step 3: Cross multiply
    18,736.94x = 25,856.20 × 10,239.35
  4. Step 4: Simplify right side
    18,736.94x = 264,750,720.51
  5. Step 5: Solve for x
    x = 264,750,720.51/18,736.94
  6. Step 6: Final answer
    x = 14,129.88

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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.