Home / 18,967.96-26,150.34-13,295.08

Finding the Fourth Proportional to 18,967.96, 26,150.34 and 13,295.08

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Solution

The fourth proportional to 18,967.96, 26,150.34 and 13,295.08 is: 18,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,967.96 : 26,150.34 = 13,295.08 : x
  2. Step 2: Convert to fraction form
    18,967.96/26,150.34 = 13,295.08/x
  3. Step 3: Cross multiply
    18,967.96x = 26,150.34 × 13,295.08
  4. Step 4: Simplify right side
    18,967.96x = 347,670,862.33
  5. Step 5: Solve for x
    x = 347,670,862.33/18,967.96
  6. Step 6: Final answer
    x = 18,329.38

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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.