Home / 22,074.75-30,463.16-12,643.92

Finding the Fourth Proportional to 22,074.75, 30,463.16 and 12,643.92

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Solution

The fourth proportional to 22,074.75, 30,463.16 and 12,643.92 is: 17,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.75 : 30,463.16 = 12,643.92 : x
  2. Step 2: Convert to fraction form
    22,074.75/30,463.16 = 12,643.92/x
  3. Step 3: Cross multiply
    22,074.75x = 30,463.16 × 12,643.92
  4. Step 4: Simplify right side
    22,074.75x = 385,173,694.77
  5. Step 5: Solve for x
    x = 385,173,694.77/22,074.75
  6. Step 6: Final answer
    x = 17,448.61

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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.