Home / 13,995.69-20,988.06-6,199.03

Finding the Fourth Proportional to 13,995.69, 20,988.06 and 6,199.03

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Solution

The fourth proportional to 13,995.69, 20,988.06 and 6,199.03 is: 9,296.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.69 : 20,988.06 = 6,199.03 : x
  2. Step 2: Convert to fraction form
    13,995.69/20,988.06 = 6,199.03/x
  3. Step 3: Cross multiply
    13,995.69x = 20,988.06 × 6,199.03
  4. Step 4: Simplify right side
    13,995.69x = 130,105,651.44
  5. Step 5: Solve for x
    x = 130,105,651.44/13,995.69
  6. Step 6: Final answer
    x = 9,296.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.