Home / 18,295.32-25,254.56-11,231.36

Finding the Fourth Proportional to 18,295.32, 25,254.56 and 11,231.36

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Solution

The fourth proportional to 18,295.32, 25,254.56 and 11,231.36 is: 15,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.32 : 25,254.56 = 11,231.36 : x
  2. Step 2: Convert to fraction form
    18,295.32/25,254.56 = 11,231.36/x
  3. Step 3: Cross multiply
    18,295.32x = 25,254.56 × 11,231.36
  4. Step 4: Simplify right side
    18,295.32x = 283,643,055.00
  5. Step 5: Solve for x
    x = 283,643,055.00/18,295.32
  6. Step 6: Final answer
    x = 15,503.59

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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.