Home / 13,982.69-19,296.12-7,695.07

Finding the Fourth Proportional to 13,982.69, 19,296.12 and 7,695.07

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Solution

The fourth proportional to 13,982.69, 19,296.12 and 7,695.07 is: 10,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.69 : 19,296.12 = 7,695.07 : x
  2. Step 2: Convert to fraction form
    13,982.69/19,296.12 = 7,695.07/x
  3. Step 3: Cross multiply
    13,982.69x = 19,296.12 × 7,695.07
  4. Step 4: Simplify right side
    13,982.69x = 148,484,974.74
  5. Step 5: Solve for x
    x = 148,484,974.74/13,982.69
  6. Step 6: Final answer
    x = 10,619.20

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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.