Home / 19,208.82-26,518.62-13,272.42

Finding the Fourth Proportional to 19,208.82, 26,518.62 and 13,272.42

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Solution

The fourth proportional to 19,208.82, 26,518.62 and 13,272.42 is: 18,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.82 : 26,518.62 = 13,272.42 : x
  2. Step 2: Convert to fraction form
    19,208.82/26,518.62 = 13,272.42/x
  3. Step 3: Cross multiply
    19,208.82x = 26,518.62 × 13,272.42
  4. Step 4: Simplify right side
    19,208.82x = 351,966,262.46
  5. Step 5: Solve for x
    x = 351,966,262.46/19,208.82
  6. Step 6: Final answer
    x = 18,323.16

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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.