Home / 13,608.93-20,402.37-4,839.06

Finding the Fourth Proportional to 13,608.93, 20,402.37 and 4,839.06

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Solution

The fourth proportional to 13,608.93, 20,402.37 and 4,839.06 is: 7,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.93 : 20,402.37 = 4,839.06 : x
  2. Step 2: Convert to fraction form
    13,608.93/20,402.37 = 4,839.06/x
  3. Step 3: Cross multiply
    13,608.93x = 20,402.37 × 4,839.06
  4. Step 4: Simplify right side
    13,608.93x = 98,728,292.57
  5. Step 5: Solve for x
    x = 98,728,292.57/13,608.93
  6. Step 6: Final answer
    x = 7,254.67

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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.