Home / 13,236.30-19,933.69-12,055.32

Finding the Fourth Proportional to 13,236.30, 19,933.69 and 12,055.32

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Solution

The fourth proportional to 13,236.30, 19,933.69 and 12,055.32 is: 18,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.30 : 19,933.69 = 12,055.32 : x
  2. Step 2: Convert to fraction form
    13,236.30/19,933.69 = 12,055.32/x
  3. Step 3: Cross multiply
    13,236.30x = 19,933.69 × 12,055.32
  4. Step 4: Simplify right side
    13,236.30x = 240,307,011.73
  5. Step 5: Solve for x
    x = 240,307,011.73/13,236.30
  6. Step 6: Final answer
    x = 18,155.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.