Home / 22,265.37-30,731.27-13,880.25

Finding the Fourth Proportional to 22,265.37, 30,731.27 and 13,880.25

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Solution

The fourth proportional to 22,265.37, 30,731.27 and 13,880.25 is: 19,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.37 : 30,731.27 = 13,880.25 : x
  2. Step 2: Convert to fraction form
    22,265.37/30,731.27 = 13,880.25/x
  3. Step 3: Cross multiply
    22,265.37x = 30,731.27 × 13,880.25
  4. Step 4: Simplify right side
    22,265.37x = 426,557,641.02
  5. Step 5: Solve for x
    x = 426,557,641.02/22,265.37
  6. Step 6: Final answer
    x = 19,157.90

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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.