Home / 13,632.03-18,810.23-7,967.30

Finding the Fourth Proportional to 13,632.03, 18,810.23 and 7,967.30

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Solution

The fourth proportional to 13,632.03, 18,810.23 and 7,967.30 is: 10,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.03 : 18,810.23 = 7,967.30 : x
  2. Step 2: Convert to fraction form
    13,632.03/18,810.23 = 7,967.30/x
  3. Step 3: Cross multiply
    13,632.03x = 18,810.23 × 7,967.30
  4. Step 4: Simplify right side
    13,632.03x = 149,866,611.59
  5. Step 5: Solve for x
    x = 149,866,611.59/13,632.03
  6. Step 6: Final answer
    x = 10,993.71

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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.