Home / 18,293.04-25,243.56-11,218.32

Finding the Fourth Proportional to 18,293.04, 25,243.56 and 11,218.32

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Solution

The fourth proportional to 18,293.04, 25,243.56 and 11,218.32 is: 15,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.04 : 25,243.56 = 11,218.32 : x
  2. Step 2: Convert to fraction form
    18,293.04/25,243.56 = 11,218.32/x
  3. Step 3: Cross multiply
    18,293.04x = 25,243.56 × 11,218.32
  4. Step 4: Simplify right side
    18,293.04x = 283,190,334.02
  5. Step 5: Solve for x
    x = 283,190,334.02/18,293.04
  6. Step 6: Final answer
    x = 15,480.77

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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.