Home / 13,193.49-18,206.31-7,224.03

Finding the Fourth Proportional to 13,193.49, 18,206.31 and 7,224.03

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Solution

The fourth proportional to 13,193.49, 18,206.31 and 7,224.03 is: 9,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.49 : 18,206.31 = 7,224.03 : x
  2. Step 2: Convert to fraction form
    13,193.49/18,206.31 = 7,224.03/x
  3. Step 3: Cross multiply
    13,193.49x = 18,206.31 × 7,224.03
  4. Step 4: Simplify right side
    13,193.49x = 131,522,929.63
  5. Step 5: Solve for x
    x = 131,522,929.63/13,193.49
  6. Step 6: Final answer
    x = 9,968.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.