Home / 13,243.97-18,276.57-7,194.08

Finding the Fourth Proportional to 13,243.97, 18,276.57 and 7,194.08

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Solution

The fourth proportional to 13,243.97, 18,276.57 and 7,194.08 is: 9,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.97 : 18,276.57 = 7,194.08 : x
  2. Step 2: Convert to fraction form
    13,243.97/18,276.57 = 7,194.08/x
  3. Step 3: Cross multiply
    13,243.97x = 18,276.57 × 7,194.08
  4. Step 4: Simplify right side
    13,243.97x = 131,483,152.40
  5. Step 5: Solve for x
    x = 131,483,152.40/13,243.97
  6. Step 6: Final answer
    x = 9,927.77

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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.