Home / 22,228.35-30,675.65-12,668.04

Finding the Fourth Proportional to 22,228.35, 30,675.65 and 12,668.04

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Solution

The fourth proportional to 22,228.35, 30,675.65 and 12,668.04 is: 17,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.35 : 30,675.65 = 12,668.04 : x
  2. Step 2: Convert to fraction form
    22,228.35/30,675.65 = 12,668.04/x
  3. Step 3: Cross multiply
    22,228.35x = 30,675.65 × 12,668.04
  4. Step 4: Simplify right side
    22,228.35x = 388,600,361.23
  5. Step 5: Solve for x
    x = 388,600,361.23/22,228.35
  6. Step 6: Final answer
    x = 17,482.20

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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.