Home / 13,087.19-19,704.49-11,537.16

Finding the Fourth Proportional to 13,087.19, 19,704.49 and 11,537.16

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Solution

The fourth proportional to 13,087.19, 19,704.49 and 11,537.16 is: 17,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.19 : 19,704.49 = 11,537.16 : x
  2. Step 2: Convert to fraction form
    13,087.19/19,704.49 = 11,537.16/x
  3. Step 3: Cross multiply
    13,087.19x = 19,704.49 × 11,537.16
  4. Step 4: Simplify right side
    13,087.19x = 227,333,853.85
  5. Step 5: Solve for x
    x = 227,333,853.85/13,087.19
  6. Step 6: Final answer
    x = 17,370.72

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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.