Home / 19,192.80-26,485.44-11,740.80

Finding the Fourth Proportional to 19,192.80, 26,485.44 and 11,740.80

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Solution

The fourth proportional to 19,192.80, 26,485.44 and 11,740.80 is: 16,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.80 : 26,485.44 = 11,740.80 : x
  2. Step 2: Convert to fraction form
    19,192.80/26,485.44 = 11,740.80/x
  3. Step 3: Cross multiply
    19,192.80x = 26,485.44 × 11,740.80
  4. Step 4: Simplify right side
    19,192.80x = 310,960,253.95
  5. Step 5: Solve for x
    x = 310,960,253.95/19,192.80
  6. Step 6: Final answer
    x = 16,201.92

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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.