Home / 16,849.36-23,255.16-10,135.88

Finding the Fourth Proportional to 16,849.36, 23,255.16 and 10,135.88

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Solution

The fourth proportional to 16,849.36, 23,255.16 and 10,135.88 is: 13,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.36 : 23,255.16 = 10,135.88 : x
  2. Step 2: Convert to fraction form
    16,849.36/23,255.16 = 10,135.88/x
  3. Step 3: Cross multiply
    16,849.36x = 23,255.16 × 10,135.88
  4. Step 4: Simplify right side
    16,849.36x = 235,711,511.14
  5. Step 5: Solve for x
    x = 235,711,511.14/16,849.36
  6. Step 6: Final answer
    x = 13,989.35

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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.