Home / 13,993.14-19,310.51-7,705.52

Finding the Fourth Proportional to 13,993.14, 19,310.51 and 7,705.52

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Solution

The fourth proportional to 13,993.14, 19,310.51 and 7,705.52 is: 10,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,993.14 : 19,310.51 = 7,705.52 : x
  2. Step 2: Convert to fraction form
    13,993.14/19,310.51 = 7,705.52/x
  3. Step 3: Cross multiply
    13,993.14x = 19,310.51 × 7,705.52
  4. Step 4: Simplify right side
    13,993.14x = 148,797,521.02
  5. Step 5: Solve for x
    x = 148,797,521.02/13,993.14
  6. Step 6: Final answer
    x = 10,633.60

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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.