Home / 13,894.58-19,174.39-7,521.17

Finding the Fourth Proportional to 13,894.58, 19,174.39 and 7,521.17

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Solution

The fourth proportional to 13,894.58, 19,174.39 and 7,521.17 is: 10,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.58 : 19,174.39 = 7,521.17 : x
  2. Step 2: Convert to fraction form
    13,894.58/19,174.39 = 7,521.17/x
  3. Step 3: Cross multiply
    13,894.58x = 19,174.39 × 7,521.17
  4. Step 4: Simplify right side
    13,894.58x = 144,213,732.16
  5. Step 5: Solve for x
    x = 144,213,732.16/13,894.58
  6. Step 6: Final answer
    x = 10,379.13

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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.