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Finding the Fourth Proportional to 16,957.80, 23,411.16 and 11,300.22

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Solution

The fourth proportional to 16,957.80, 23,411.16 and 11,300.22 is: 15,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.80 : 23,411.16 = 11,300.22 : x
  2. Step 2: Convert to fraction form
    16,957.80/23,411.16 = 11,300.22/x
  3. Step 3: Cross multiply
    16,957.80x = 23,411.16 × 11,300.22
  4. Step 4: Simplify right side
    16,957.80x = 264,551,258.46
  5. Step 5: Solve for x
    x = 264,551,258.46/16,957.80
  6. Step 6: Final answer
    x = 15,600.56

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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.