Home / 12,956.51-19,338.59-11,169.92

Finding the Fourth Proportional to 12,956.51, 19,338.59 and 11,169.92

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Solution

The fourth proportional to 12,956.51, 19,338.59 and 11,169.92 is: 16,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.51 : 19,338.59 = 11,169.92 : x
  2. Step 2: Convert to fraction form
    12,956.51/19,338.59 = 11,169.92/x
  3. Step 3: Cross multiply
    12,956.51x = 19,338.59 × 11,169.92
  4. Step 4: Simplify right side
    12,956.51x = 216,010,350.67
  5. Step 5: Solve for x
    x = 216,010,350.67/12,956.51
  6. Step 6: Final answer
    x = 16,671.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.