Home / 13,918.93-19,206.04-7,949.34

Finding the Fourth Proportional to 13,918.93, 19,206.04 and 7,949.34

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Solution

The fourth proportional to 13,918.93, 19,206.04 and 7,949.34 is: 10,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.93 : 19,206.04 = 7,949.34 : x
  2. Step 2: Convert to fraction form
    13,918.93/19,206.04 = 7,949.34/x
  3. Step 3: Cross multiply
    13,918.93x = 19,206.04 × 7,949.34
  4. Step 4: Simplify right side
    13,918.93x = 152,675,342.01
  5. Step 5: Solve for x
    x = 152,675,342.01/13,918.93
  6. Step 6: Final answer
    x = 10,968.90

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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.