Home / 16,257.22-22,435.38-9,881.62

Finding the Fourth Proportional to 16,257.22, 22,435.38 and 9,881.62

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Solution

The fourth proportional to 16,257.22, 22,435.38 and 9,881.62 is: 13,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,257.22 : 22,435.38 = 9,881.62 : x
  2. Step 2: Convert to fraction form
    16,257.22/22,435.38 = 9,881.62/x
  3. Step 3: Cross multiply
    16,257.22x = 22,435.38 × 9,881.62
  4. Step 4: Simplify right side
    16,257.22x = 221,697,899.72
  5. Step 5: Solve for x
    x = 221,697,899.72/16,257.22
  6. Step 6: Final answer
    x = 13,636.89

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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.