Home / 19,078.44-26,330.60-12,004.72

Finding the Fourth Proportional to 19,078.44, 26,330.60 and 12,004.72

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Solution

The fourth proportional to 19,078.44, 26,330.60 and 12,004.72 is: 16,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.44 : 26,330.60 = 12,004.72 : x
  2. Step 2: Convert to fraction form
    19,078.44/26,330.60 = 12,004.72/x
  3. Step 3: Cross multiply
    19,078.44x = 26,330.60 × 12,004.72
  4. Step 4: Simplify right side
    19,078.44x = 316,091,480.43
  5. Step 5: Solve for x
    x = 316,091,480.43/19,078.44
  6. Step 6: Final answer
    x = 16,567.99

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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.