Home / 13,813.77-19,055.13-8,504.82

Finding the Fourth Proportional to 13,813.77, 19,055.13 and 8,504.82

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Solution

The fourth proportional to 13,813.77, 19,055.13 and 8,504.82 is: 11,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.77 : 19,055.13 = 8,504.82 : x
  2. Step 2: Convert to fraction form
    13,813.77/19,055.13 = 8,504.82/x
  3. Step 3: Cross multiply
    13,813.77x = 19,055.13 × 8,504.82
  4. Step 4: Simplify right side
    13,813.77x = 162,060,450.73
  5. Step 5: Solve for x
    x = 162,060,450.73/13,813.77
  6. Step 6: Final answer
    x = 11,731.80

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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.