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Finding the Fourth Proportional to 19,597.51, 27,026.14 and 15,114.16

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Solution

The fourth proportional to 19,597.51, 27,026.14 and 15,114.16 is: 20,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.51 : 27,026.14 = 15,114.16 : x
  2. Step 2: Convert to fraction form
    19,597.51/27,026.14 = 15,114.16/x
  3. Step 3: Cross multiply
    19,597.51x = 27,026.14 × 15,114.16
  4. Step 4: Simplify right side
    19,597.51x = 408,477,193.44
  5. Step 5: Solve for x
    x = 408,477,193.44/19,597.51
  6. Step 6: Final answer
    x = 20,843.33

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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.