Home / 16,815.56-25,174.35-13,106.48

Finding the Fourth Proportional to 16,815.56, 25,174.35 and 13,106.48

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Solution

The fourth proportional to 16,815.56, 25,174.35 and 13,106.48 is: 19,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.56 : 25,174.35 = 13,106.48 : x
  2. Step 2: Convert to fraction form
    16,815.56/25,174.35 = 13,106.48/x
  3. Step 3: Cross multiply
    16,815.56x = 25,174.35 × 13,106.48
  4. Step 4: Simplify right side
    16,815.56x = 329,946,988.92
  5. Step 5: Solve for x
    x = 329,946,988.92/16,815.56
  6. Step 6: Final answer
    x = 19,621.53

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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.