Home / 18,534.99-25,495.34-16,255.11

Finding the Fourth Proportional to 18,534.99, 25,495.34 and 16,255.11

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Solution

The fourth proportional to 18,534.99, 25,495.34 and 16,255.11 is: 22,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534.99 : 25,495.34 = 16,255.11 : x
  2. Step 2: Convert to fraction form
    18,534.99/25,495.34 = 16,255.11/x
  3. Step 3: Cross multiply
    18,534.99x = 25,495.34 × 16,255.11
  4. Step 4: Simplify right side
    18,534.99x = 414,429,474.91
  5. Step 5: Solve for x
    x = 414,429,474.91/18,534.99
  6. Step 6: Final answer
    x = 22,359.30

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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.