Home / 19,185.60-26,480.21-12,894.33

Finding the Fourth Proportional to 19,185.60, 26,480.21 and 12,894.33

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Solution

The fourth proportional to 19,185.60, 26,480.21 and 12,894.33 is: 17,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.60 : 26,480.21 = 12,894.33 : x
  2. Step 2: Convert to fraction form
    19,185.60/26,480.21 = 12,894.33/x
  3. Step 3: Cross multiply
    19,185.60x = 26,480.21 × 12,894.33
  4. Step 4: Simplify right side
    19,185.60x = 341,444,566.21
  5. Step 5: Solve for x
    x = 341,444,566.21/19,185.60
  6. Step 6: Final answer
    x = 17,796.92

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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.