Home / 19,907.56-27,464.16-12,351.34

Finding the Fourth Proportional to 19,907.56, 27,464.16 and 12,351.34

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Solution

The fourth proportional to 19,907.56, 27,464.16 and 12,351.34 is: 17,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.56 : 27,464.16 = 12,351.34 : x
  2. Step 2: Convert to fraction form
    19,907.56/27,464.16 = 12,351.34/x
  3. Step 3: Cross multiply
    19,907.56x = 27,464.16 × 12,351.34
  4. Step 4: Simplify right side
    19,907.56x = 339,219,177.97
  5. Step 5: Solve for x
    x = 339,219,177.97/19,907.56
  6. Step 6: Final answer
    x = 17,039.72

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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.