Home / 18,383.56-25,368.39-10,426.53

Finding the Fourth Proportional to 18,383.56, 25,368.39 and 10,426.53

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Solution

The fourth proportional to 18,383.56, 25,368.39 and 10,426.53 is: 14,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.56 : 25,368.39 = 10,426.53 : x
  2. Step 2: Convert to fraction form
    18,383.56/25,368.39 = 10,426.53/x
  3. Step 3: Cross multiply
    18,383.56x = 25,368.39 × 10,426.53
  4. Step 4: Simplify right side
    18,383.56x = 264,504,279.39
  5. Step 5: Solve for x
    x = 264,504,279.39/18,383.56
  6. Step 6: Final answer
    x = 14,388.09

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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.