Home / 18,353.23-27,445.79-13,676.50

Finding the Fourth Proportional to 18,353.23, 27,445.79 and 13,676.50

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Solution

The fourth proportional to 18,353.23, 27,445.79 and 13,676.50 is: 20,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.23 : 27,445.79 = 13,676.50 : x
  2. Step 2: Convert to fraction form
    18,353.23/27,445.79 = 13,676.50/x
  3. Step 3: Cross multiply
    18,353.23x = 27,445.79 × 13,676.50
  4. Step 4: Simplify right side
    18,353.23x = 375,362,184.12
  5. Step 5: Solve for x
    x = 375,362,184.12/18,353.23
  6. Step 6: Final answer
    x = 20,452.10

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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.