Home / 13,923.79-20,892.87-9,247.03

Finding the Fourth Proportional to 13,923.79, 20,892.87 and 9,247.03

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Solution

The fourth proportional to 13,923.79, 20,892.87 and 9,247.03 is: 13,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.79 : 20,892.87 = 9,247.03 : x
  2. Step 2: Convert to fraction form
    13,923.79/20,892.87 = 9,247.03/x
  3. Step 3: Cross multiply
    13,923.79x = 20,892.87 × 9,247.03
  4. Step 4: Simplify right side
    13,923.79x = 193,196,995.68
  5. Step 5: Solve for x
    x = 193,196,995.68/13,923.79
  6. Step 6: Final answer
    x = 13,875.32

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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.