Home / 19,013.08-26,246.55-12,650.95

Finding the Fourth Proportional to 19,013.08, 26,246.55 and 12,650.95

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Solution

The fourth proportional to 19,013.08, 26,246.55 and 12,650.95 is: 17,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.08 : 26,246.55 = 12,650.95 : x
  2. Step 2: Convert to fraction form
    19,013.08/26,246.55 = 12,650.95/x
  3. Step 3: Cross multiply
    19,013.08x = 26,246.55 × 12,650.95
  4. Step 4: Simplify right side
    19,013.08x = 332,043,791.72
  5. Step 5: Solve for x
    x = 332,043,791.72/19,013.08
  6. Step 6: Final answer
    x = 17,463.97

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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.