Home / 13,981.90-19,295.47-8,014.70

Finding the Fourth Proportional to 13,981.90, 19,295.47 and 8,014.70

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Solution

The fourth proportional to 13,981.90, 19,295.47 and 8,014.70 is: 11,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.90 : 19,295.47 = 8,014.70 : x
  2. Step 2: Convert to fraction form
    13,981.90/19,295.47 = 8,014.70/x
  3. Step 3: Cross multiply
    13,981.90x = 19,295.47 × 8,014.70
  4. Step 4: Simplify right side
    13,981.90x = 154,647,316.95
  5. Step 5: Solve for x
    x = 154,647,316.95/13,981.90
  6. Step 6: Final answer
    x = 11,060.54

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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.