Home / 20,522.44-28,323.60-12,566.62

Finding the Fourth Proportional to 20,522.44, 28,323.60 and 12,566.62

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Solution

The fourth proportional to 20,522.44, 28,323.60 and 12,566.62 is: 17,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.44 : 28,323.60 = 12,566.62 : x
  2. Step 2: Convert to fraction form
    20,522.44/28,323.60 = 12,566.62/x
  3. Step 3: Cross multiply
    20,522.44x = 28,323.60 × 12,566.62
  4. Step 4: Simplify right side
    20,522.44x = 355,931,918.23
  5. Step 5: Solve for x
    x = 355,931,918.23/20,522.44
  6. Step 6: Final answer
    x = 17,343.55

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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.