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Finding the Fourth Proportional to 20,303.36, 30,462.24 and 15,914.24

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Solution

The fourth proportional to 20,303.36, 30,462.24 and 15,914.24 is: 23,877.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.36 : 30,462.24 = 15,914.24 : x
  2. Step 2: Convert to fraction form
    20,303.36/30,462.24 = 15,914.24/x
  3. Step 3: Cross multiply
    20,303.36x = 30,462.24 × 15,914.24
  4. Step 4: Simplify right side
    20,303.36x = 484,783,398.30
  5. Step 5: Solve for x
    x = 484,783,398.30/20,303.36
  6. Step 6: Final answer
    x = 23,877.00

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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.