Home / 18,263.16-25,203.15-9,879.66

Finding the Fourth Proportional to 18,263.16, 25,203.15 and 9,879.66

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Solution

The fourth proportional to 18,263.16, 25,203.15 and 9,879.66 is: 13,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.16 : 25,203.15 = 9,879.66 : x
  2. Step 2: Convert to fraction form
    18,263.16/25,203.15 = 9,879.66/x
  3. Step 3: Cross multiply
    18,263.16x = 25,203.15 × 9,879.66
  4. Step 4: Simplify right side
    18,263.16x = 248,998,552.93
  5. Step 5: Solve for x
    x = 248,998,552.93/18,263.16
  6. Step 6: Final answer
    x = 13,633.92

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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.