Home / 22,074.77-30,465.94-12,643.33

Finding the Fourth Proportional to 22,074.77, 30,465.94 and 12,643.33

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Solution

The fourth proportional to 22,074.77, 30,465.94 and 12,643.33 is: 17,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.77 : 30,465.94 = 12,643.33 : x
  2. Step 2: Convert to fraction form
    22,074.77/30,465.94 = 12,643.33/x
  3. Step 3: Cross multiply
    22,074.77x = 30,465.94 × 12,643.33
  4. Step 4: Simplify right side
    22,074.77x = 385,190,933.18
  5. Step 5: Solve for x
    x = 385,190,933.18/22,074.77
  6. Step 6: Final answer
    x = 17,449.37

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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.