Home / 22,007.36-30,372.48-12,577.60

Finding the Fourth Proportional to 22,007.36, 30,372.48 and 12,577.60

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Solution

The fourth proportional to 22,007.36, 30,372.48 and 12,577.60 is: 17,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.36 : 30,372.48 = 12,577.60 : x
  2. Step 2: Convert to fraction form
    22,007.36/30,372.48 = 12,577.60/x
  3. Step 3: Cross multiply
    22,007.36x = 30,372.48 × 12,577.60
  4. Step 4: Simplify right side
    22,007.36x = 382,012,904.45
  5. Step 5: Solve for x
    x = 382,012,904.45/22,007.36
  6. Step 6: Final answer
    x = 17,358.42

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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.