Home / 16,801.58-23,209.70-15,286.46

Finding the Fourth Proportional to 16,801.58, 23,209.70 and 15,286.46

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Solution

The fourth proportional to 16,801.58, 23,209.70 and 15,286.46 is: 21,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801.58 : 23,209.70 = 15,286.46 : x
  2. Step 2: Convert to fraction form
    16,801.58/23,209.70 = 15,286.46/x
  3. Step 3: Cross multiply
    16,801.58x = 23,209.70 × 15,286.46
  4. Step 4: Simplify right side
    16,801.58x = 354,793,958.18
  5. Step 5: Solve for x
    x = 354,793,958.18/16,801.58
  6. Step 6: Final answer
    x = 21,116.70

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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.