Home / 16,215.48-22,366.26-9,930.96

Finding the Fourth Proportional to 16,215.48, 22,366.26 and 9,930.96

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Solution

The fourth proportional to 16,215.48, 22,366.26 and 9,930.96 is: 13,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.48 : 22,366.26 = 9,930.96 : x
  2. Step 2: Convert to fraction form
    16,215.48/22,366.26 = 9,930.96/x
  3. Step 3: Cross multiply
    16,215.48x = 22,366.26 × 9,930.96
  4. Step 4: Simplify right side
    16,215.48x = 222,118,433.41
  5. Step 5: Solve for x
    x = 222,118,433.41/16,215.48
  6. Step 6: Final answer
    x = 13,697.93

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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.