Home / 15,447.93-23,168.34-9,209.70

Finding the Fourth Proportional to 15,447.93, 23,168.34 and 9,209.70

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Solution

The fourth proportional to 15,447.93, 23,168.34 and 9,209.70 is: 13,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.93 : 23,168.34 = 9,209.70 : x
  2. Step 2: Convert to fraction form
    15,447.93/23,168.34 = 9,209.70/x
  3. Step 3: Cross multiply
    15,447.93x = 23,168.34 × 9,209.70
  4. Step 4: Simplify right side
    15,447.93x = 213,373,460.90
  5. Step 5: Solve for x
    x = 213,373,460.90/15,447.93
  6. Step 6: Final answer
    x = 13,812.43

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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.