Home / 13,570.20-20,351.54-4,803.96

Finding the Fourth Proportional to 13,570.20, 20,351.54 and 4,803.96

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Solution

The fourth proportional to 13,570.20, 20,351.54 and 4,803.96 is: 7,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.20 : 20,351.54 = 4,803.96 : x
  2. Step 2: Convert to fraction form
    13,570.20/20,351.54 = 4,803.96/x
  3. Step 3: Cross multiply
    13,570.20x = 20,351.54 × 4,803.96
  4. Step 4: Simplify right side
    13,570.20x = 97,767,984.10
  5. Step 5: Solve for x
    x = 97,767,984.10/13,570.20
  6. Step 6: Final answer
    x = 7,204.61

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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.