Home / 19,048.30-26,289-11,498.95

Finding the Fourth Proportional to 19,048.30, 26,289 and 11,498.95

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Solution

The fourth proportional to 19,048.30, 26,289 and 11,498.95 is: 15,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.30 : 26,289 = 11,498.95 : x
  2. Step 2: Convert to fraction form
    19,048.30/26,289 = 11,498.95/x
  3. Step 3: Cross multiply
    19,048.30x = 26,289 × 11,498.95
  4. Step 4: Simplify right side
    19,048.30x = 302,295,896.55
  5. Step 5: Solve for x
    x = 302,295,896.55/19,048.30
  6. Step 6: Final answer
    x = 15,869.97

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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.