Home / 16,963.23-23,409.28-9,891.02

Finding the Fourth Proportional to 16,963.23, 23,409.28 and 9,891.02

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Solution

The fourth proportional to 16,963.23, 23,409.28 and 9,891.02 is: 13,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.23 : 23,409.28 = 9,891.02 : x
  2. Step 2: Convert to fraction form
    16,963.23/23,409.28 = 9,891.02/x
  3. Step 3: Cross multiply
    16,963.23x = 23,409.28 × 9,891.02
  4. Step 4: Simplify right side
    16,963.23x = 231,541,602.68
  5. Step 5: Solve for x
    x = 231,541,602.68/16,963.23
  6. Step 6: Final answer
    x = 13,649.62

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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.