Home / 13,663.08-20,495.16-3,803.22

Finding the Fourth Proportional to 13,663.08, 20,495.16 and 3,803.22

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Solution

The fourth proportional to 13,663.08, 20,495.16 and 3,803.22 is: 5,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.08 : 20,495.16 = 3,803.22 : x
  2. Step 2: Convert to fraction form
    13,663.08/20,495.16 = 3,803.22/x
  3. Step 3: Cross multiply
    13,663.08x = 20,495.16 × 3,803.22
  4. Step 4: Simplify right side
    13,663.08x = 77,947,602.42
  5. Step 5: Solve for x
    x = 77,947,602.42/13,663.08
  6. Step 6: Final answer
    x = 5,704.98

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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.