Home / 15,910.17-21,954.75-9,196.23

Finding the Fourth Proportional to 15,910.17, 21,954.75 and 9,196.23

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Solution

The fourth proportional to 15,910.17, 21,954.75 and 9,196.23 is: 12,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.17 : 21,954.75 = 9,196.23 : x
  2. Step 2: Convert to fraction form
    15,910.17/21,954.75 = 9,196.23/x
  3. Step 3: Cross multiply
    15,910.17x = 21,954.75 × 9,196.23
  4. Step 4: Simplify right side
    15,910.17x = 201,900,930.59
  5. Step 5: Solve for x
    x = 201,900,930.59/15,910.17
  6. Step 6: Final answer
    x = 12,690.05

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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.