Home / 16,636.22-22,961.88-10,971.99

Finding the Fourth Proportional to 16,636.22, 22,961.88 and 10,971.99

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Solution

The fourth proportional to 16,636.22, 22,961.88 and 10,971.99 is: 15,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.22 : 22,961.88 = 10,971.99 : x
  2. Step 2: Convert to fraction form
    16,636.22/22,961.88 = 10,971.99/x
  3. Step 3: Cross multiply
    16,636.22x = 22,961.88 × 10,971.99
  4. Step 4: Simplify right side
    16,636.22x = 251,937,517.74
  5. Step 5: Solve for x
    x = 251,937,517.74/16,636.22
  6. Step 6: Final answer
    x = 15,143.92

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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.