Home / 18,301.56-27,445.84-7,907.64

Finding the Fourth Proportional to 18,301.56, 27,445.84 and 7,907.64

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Solution

The fourth proportional to 18,301.56, 27,445.84 and 7,907.64 is: 11,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.56 : 27,445.84 = 7,907.64 : x
  2. Step 2: Convert to fraction form
    18,301.56/27,445.84 = 7,907.64/x
  3. Step 3: Cross multiply
    18,301.56x = 27,445.84 × 7,907.64
  4. Step 4: Simplify right side
    18,301.56x = 217,031,822.22
  5. Step 5: Solve for x
    x = 217,031,822.22/18,301.56
  6. Step 6: Final answer
    x = 11,858.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.