Home / 14,974.41-20,648.70-11,518.95

Finding the Fourth Proportional to 14,974.41, 20,648.70 and 11,518.95

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Solution

The fourth proportional to 14,974.41, 20,648.70 and 11,518.95 is: 15,883.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.41 : 20,648.70 = 11,518.95 : x
  2. Step 2: Convert to fraction form
    14,974.41/20,648.70 = 11,518.95/x
  3. Step 3: Cross multiply
    14,974.41x = 20,648.70 × 11,518.95
  4. Step 4: Simplify right side
    14,974.41x = 237,851,342.87
  5. Step 5: Solve for x
    x = 237,851,342.87/14,974.41
  6. Step 6: Final answer
    x = 15,883.85

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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.