Home / 13,032.20-17,994.79-12,037.12

Finding the Fourth Proportional to 13,032.20, 17,994.79 and 12,037.12

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Solution

The fourth proportional to 13,032.20, 17,994.79 and 12,037.12 is: 16,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.20 : 17,994.79 = 12,037.12 : x
  2. Step 2: Convert to fraction form
    13,032.20/17,994.79 = 12,037.12/x
  3. Step 3: Cross multiply
    13,032.20x = 17,994.79 × 12,037.12
  4. Step 4: Simplify right side
    13,032.20x = 216,605,416.66
  5. Step 5: Solve for x
    x = 216,605,416.66/13,032.20
  6. Step 6: Final answer
    x = 16,620.78

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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.