Home / 13,766.90-19,000.41-11,106.05

Finding the Fourth Proportional to 13,766.90, 19,000.41 and 11,106.05

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Solution

The fourth proportional to 13,766.90, 19,000.41 and 11,106.05 is: 15,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.90 : 19,000.41 = 11,106.05 : x
  2. Step 2: Convert to fraction form
    13,766.90/19,000.41 = 11,106.05/x
  3. Step 3: Cross multiply
    13,766.90x = 19,000.41 × 11,106.05
  4. Step 4: Simplify right side
    13,766.90x = 211,019,503.48
  5. Step 5: Solve for x
    x = 211,019,503.48/13,766.90
  6. Step 6: Final answer
    x = 15,328.03

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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.