Home / 15,990.44-22,040.36-10,683.32

Finding the Fourth Proportional to 15,990.44, 22,040.36 and 10,683.32

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Solution

The fourth proportional to 15,990.44, 22,040.36 and 10,683.32 is: 14,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.44 : 22,040.36 = 10,683.32 : x
  2. Step 2: Convert to fraction form
    15,990.44/22,040.36 = 10,683.32/x
  3. Step 3: Cross multiply
    15,990.44x = 22,040.36 × 10,683.32
  4. Step 4: Simplify right side
    15,990.44x = 235,464,218.80
  5. Step 5: Solve for x
    x = 235,464,218.80/15,990.44
  6. Step 6: Final answer
    x = 14,725.31

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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.