Home / 18,309.05-25,267.58-10,352.01

Finding the Fourth Proportional to 18,309.05, 25,267.58 and 10,352.01

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Solution

The fourth proportional to 18,309.05, 25,267.58 and 10,352.01 is: 14,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.05 : 25,267.58 = 10,352.01 : x
  2. Step 2: Convert to fraction form
    18,309.05/25,267.58 = 10,352.01/x
  3. Step 3: Cross multiply
    18,309.05x = 25,267.58 × 10,352.01
  4. Step 4: Simplify right side
    18,309.05x = 261,570,240.84
  5. Step 5: Solve for x
    x = 261,570,240.84/18,309.05
  6. Step 6: Final answer
    x = 14,286.39

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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.