Home / 13,817.13-19,067.58-7,529.51

Finding the Fourth Proportional to 13,817.13, 19,067.58 and 7,529.51

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Solution

The fourth proportional to 13,817.13, 19,067.58 and 7,529.51 is: 10,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.13 : 19,067.58 = 7,529.51 : x
  2. Step 2: Convert to fraction form
    13,817.13/19,067.58 = 7,529.51/x
  3. Step 3: Cross multiply
    13,817.13x = 19,067.58 × 7,529.51
  4. Step 4: Simplify right side
    13,817.13x = 143,569,438.95
  5. Step 5: Solve for x
    x = 143,569,438.95/13,817.13
  6. Step 6: Final answer
    x = 10,390.68

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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.