Home / 13,356.63-20,036.07-3,495.87

Finding the Fourth Proportional to 13,356.63, 20,036.07 and 3,495.87

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Solution

The fourth proportional to 13,356.63, 20,036.07 and 3,495.87 is: 5,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.63 : 20,036.07 = 3,495.87 : x
  2. Step 2: Convert to fraction form
    13,356.63/20,036.07 = 3,495.87/x
  3. Step 3: Cross multiply
    13,356.63x = 20,036.07 × 3,495.87
  4. Step 4: Simplify right side
    13,356.63x = 70,043,496.03
  5. Step 5: Solve for x
    x = 70,043,496.03/13,356.63
  6. Step 6: Final answer
    x = 5,244.10

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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.