Home / 16,867.81-25,239.27-13,525.84

Finding the Fourth Proportional to 16,867.81, 25,239.27 and 13,525.84

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Solution

The fourth proportional to 16,867.81, 25,239.27 and 13,525.84 is: 20,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.81 : 25,239.27 = 13,525.84 : x
  2. Step 2: Convert to fraction form
    16,867.81/25,239.27 = 13,525.84/x
  3. Step 3: Cross multiply
    16,867.81x = 25,239.27 × 13,525.84
  4. Step 4: Simplify right side
    16,867.81x = 341,382,230.00
  5. Step 5: Solve for x
    x = 341,382,230.00/16,867.81
  6. Step 6: Final answer
    x = 20,238.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.