Home / 22,282.85-30,751.07-12,211.31

Finding the Fourth Proportional to 22,282.85, 30,751.07 and 12,211.31

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Solution

The fourth proportional to 22,282.85, 30,751.07 and 12,211.31 is: 16,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.85 : 30,751.07 = 12,211.31 : x
  2. Step 2: Convert to fraction form
    22,282.85/30,751.07 = 12,211.31/x
  3. Step 3: Cross multiply
    22,282.85x = 30,751.07 × 12,211.31
  4. Step 4: Simplify right side
    22,282.85x = 375,510,848.60
  5. Step 5: Solve for x
    x = 375,510,848.60/22,282.85
  6. Step 6: Final answer
    x = 16,852.01

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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.