Home / 13,192.98-18,206.28-7,224.63

Finding the Fourth Proportional to 13,192.98, 18,206.28 and 7,224.63

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Solution

The fourth proportional to 13,192.98, 18,206.28 and 7,224.63 is: 9,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.98 : 18,206.28 = 7,224.63 : x
  2. Step 2: Convert to fraction form
    13,192.98/18,206.28 = 7,224.63/x
  3. Step 3: Cross multiply
    13,192.98x = 18,206.28 × 7,224.63
  4. Step 4: Simplify right side
    13,192.98x = 131,533,636.68
  5. Step 5: Solve for x
    x = 131,533,636.68/13,192.98
  6. Step 6: Final answer
    x = 9,969.97

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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.