Home / 13,801.89-20,671.30-10,833.58

Finding the Fourth Proportional to 13,801.89, 20,671.30 and 10,833.58

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Solution

The fourth proportional to 13,801.89, 20,671.30 and 10,833.58 is: 16,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.89 : 20,671.30 = 10,833.58 : x
  2. Step 2: Convert to fraction form
    13,801.89/20,671.30 = 10,833.58/x
  3. Step 3: Cross multiply
    13,801.89x = 20,671.30 × 10,833.58
  4. Step 4: Simplify right side
    13,801.89x = 223,944,221.64
  5. Step 5: Solve for x
    x = 223,944,221.64/13,801.89
  6. Step 6: Final answer
    x = 16,225.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.