Home / 18,255.05-25,194.57-10,298.01

Finding the Fourth Proportional to 18,255.05, 25,194.57 and 10,298.01

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Solution

The fourth proportional to 18,255.05, 25,194.57 and 10,298.01 is: 14,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.05 : 25,194.57 = 10,298.01 : x
  2. Step 2: Convert to fraction form
    18,255.05/25,194.57 = 10,298.01/x
  3. Step 3: Cross multiply
    18,255.05x = 25,194.57 × 10,298.01
  4. Step 4: Simplify right side
    18,255.05x = 259,453,933.81
  5. Step 5: Solve for x
    x = 259,453,933.81/18,255.05
  6. Step 6: Final answer
    x = 14,212.72

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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.