Home / 18,351.09-25,325.73-10,284.84

Finding the Fourth Proportional to 18,351.09, 25,325.73 and 10,284.84

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Solution

The fourth proportional to 18,351.09, 25,325.73 and 10,284.84 is: 14,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.09 : 25,325.73 = 10,284.84 : x
  2. Step 2: Convert to fraction form
    18,351.09/25,325.73 = 10,284.84/x
  3. Step 3: Cross multiply
    18,351.09x = 25,325.73 × 10,284.84
  4. Step 4: Simplify right side
    18,351.09x = 260,471,080.93
  5. Step 5: Solve for x
    x = 260,471,080.93/18,351.09
  6. Step 6: Final answer
    x = 14,193.77

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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.