Home / 19,004.56-28,512.60-9,141.04

Finding the Fourth Proportional to 19,004.56, 28,512.60 and 9,141.04

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Solution

The fourth proportional to 19,004.56, 28,512.60 and 9,141.04 is: 13,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.56 : 28,512.60 = 9,141.04 : x
  2. Step 2: Convert to fraction form
    19,004.56/28,512.60 = 9,141.04/x
  3. Step 3: Cross multiply
    19,004.56x = 28,512.60 × 9,141.04
  4. Step 4: Simplify right side
    19,004.56x = 260,634,817.10
  5. Step 5: Solve for x
    x = 260,634,817.10/19,004.56
  6. Step 6: Final answer
    x = 13,714.33

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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.