Home / 15,874.18-21,896.39-10,216.26

Finding the Fourth Proportional to 15,874.18, 21,896.39 and 10,216.26

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Solution

The fourth proportional to 15,874.18, 21,896.39 and 10,216.26 is: 14,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.18 : 21,896.39 = 10,216.26 : x
  2. Step 2: Convert to fraction form
    15,874.18/21,896.39 = 10,216.26/x
  3. Step 3: Cross multiply
    15,874.18x = 21,896.39 × 10,216.26
  4. Step 4: Simplify right side
    15,874.18x = 223,699,238.84
  5. Step 5: Solve for x
    x = 223,699,238.84/15,874.18
  6. Step 6: Final answer
    x = 14,092.02

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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.