Home / 22,223.80-33,281.70-11,812.60

Finding the Fourth Proportional to 22,223.80, 33,281.70 and 11,812.60

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Solution

The fourth proportional to 22,223.80, 33,281.70 and 11,812.60 is: 17,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.80 : 33,281.70 = 11,812.60 : x
  2. Step 2: Convert to fraction form
    22,223.80/33,281.70 = 11,812.60/x
  3. Step 3: Cross multiply
    22,223.80x = 33,281.70 × 11,812.60
  4. Step 4: Simplify right side
    22,223.80x = 393,143,409.42
  5. Step 5: Solve for x
    x = 393,143,409.42/22,223.80
  6. Step 6: Final answer
    x = 17,690.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.