Home / 19,796.40-27,326.16-13,504.32

Finding the Fourth Proportional to 19,796.40, 27,326.16 and 13,504.32

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Solution

The fourth proportional to 19,796.40, 27,326.16 and 13,504.32 is: 18,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.40 : 27,326.16 = 13,504.32 : x
  2. Step 2: Convert to fraction form
    19,796.40/27,326.16 = 13,504.32/x
  3. Step 3: Cross multiply
    19,796.40x = 27,326.16 × 13,504.32
  4. Step 4: Simplify right side
    19,796.40x = 369,021,209.01
  5. Step 5: Solve for x
    x = 369,021,209.01/19,796.40
  6. Step 6: Final answer
    x = 18,640.82

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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.