Home / 13,353.90-18,425.73-8,049.06

Finding the Fourth Proportional to 13,353.90, 18,425.73 and 8,049.06

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Solution

The fourth proportional to 13,353.90, 18,425.73 and 8,049.06 is: 11,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.90 : 18,425.73 = 8,049.06 : x
  2. Step 2: Convert to fraction form
    13,353.90/18,425.73 = 8,049.06/x
  3. Step 3: Cross multiply
    13,353.90x = 18,425.73 × 8,049.06
  4. Step 4: Simplify right side
    13,353.90x = 148,309,806.31
  5. Step 5: Solve for x
    x = 148,309,806.31/13,353.90
  6. Step 6: Final answer
    x = 11,106.10

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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.