Home / 18,884.04-28,330.50-18,570.60

Finding the Fourth Proportional to 18,884.04, 28,330.50 and 18,570.60

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Solution

The fourth proportional to 18,884.04, 28,330.50 and 18,570.60 is: 27,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.04 : 28,330.50 = 18,570.60 : x
  2. Step 2: Convert to fraction form
    18,884.04/28,330.50 = 18,570.60/x
  3. Step 3: Cross multiply
    18,884.04x = 28,330.50 × 18,570.60
  4. Step 4: Simplify right side
    18,884.04x = 526,114,383.30
  5. Step 5: Solve for x
    x = 526,114,383.30/18,884.04
  6. Step 6: Final answer
    x = 27,860.27

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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.