Home / 18,197.72-25,109.52-10,238.66

Finding the Fourth Proportional to 18,197.72, 25,109.52 and 10,238.66

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Solution

The fourth proportional to 18,197.72, 25,109.52 and 10,238.66 is: 14,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.72 : 25,109.52 = 10,238.66 : x
  2. Step 2: Convert to fraction form
    18,197.72/25,109.52 = 10,238.66/x
  3. Step 3: Cross multiply
    18,197.72x = 25,109.52 × 10,238.66
  4. Step 4: Simplify right side
    18,197.72x = 257,087,838.04
  5. Step 5: Solve for x
    x = 257,087,838.04/18,197.72
  6. Step 6: Final answer
    x = 14,127.48

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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.