Home / 16,811.64-25,221.51-5,124.14

Finding the Fourth Proportional to 16,811.64, 25,221.51 and 5,124.14

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Solution

The fourth proportional to 16,811.64, 25,221.51 and 5,124.14 is: 7,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.64 : 25,221.51 = 5,124.14 : x
  2. Step 2: Convert to fraction form
    16,811.64/25,221.51 = 5,124.14/x
  3. Step 3: Cross multiply
    16,811.64x = 25,221.51 × 5,124.14
  4. Step 4: Simplify right side
    16,811.64x = 129,238,548.25
  5. Step 5: Solve for x
    x = 129,238,548.25/16,811.64
  6. Step 6: Final answer
    x = 7,687.44

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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.