Home / 13,196.07-18,230.36-8,669.52

Finding the Fourth Proportional to 13,196.07, 18,230.36 and 8,669.52

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Solution

The fourth proportional to 13,196.07, 18,230.36 and 8,669.52 is: 11,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.07 : 18,230.36 = 8,669.52 : x
  2. Step 2: Convert to fraction form
    13,196.07/18,230.36 = 8,669.52/x
  3. Step 3: Cross multiply
    13,196.07x = 18,230.36 × 8,669.52
  4. Step 4: Simplify right side
    13,196.07x = 158,048,427.28
  5. Step 5: Solve for x
    x = 158,048,427.28/13,196.07
  6. Step 6: Final answer
    x = 11,976.93

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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.