Home / 18,263.08-25,203.06-9,879.58

Finding the Fourth Proportional to 18,263.08, 25,203.06 and 9,879.58

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Solution

The fourth proportional to 18,263.08, 25,203.06 and 9,879.58 is: 13,633.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.08 : 25,203.06 = 9,879.58 : x
  2. Step 2: Convert to fraction form
    18,263.08/25,203.06 = 9,879.58/x
  3. Step 3: Cross multiply
    18,263.08x = 25,203.06 × 9,879.58
  4. Step 4: Simplify right side
    18,263.08x = 248,995,647.51
  5. Step 5: Solve for x
    x = 248,995,647.51/18,263.08
  6. Step 6: Final answer
    x = 13,633.83

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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.