Home / 14,084.10-19,435.95-8,115.75

Finding the Fourth Proportional to 14,084.10, 19,435.95 and 8,115.75

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Solution

The fourth proportional to 14,084.10, 19,435.95 and 8,115.75 is: 11,199.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.10 : 19,435.95 = 8,115.75 : x
  2. Step 2: Convert to fraction form
    14,084.10/19,435.95 = 8,115.75/x
  3. Step 3: Cross multiply
    14,084.10x = 19,435.95 × 8,115.75
  4. Step 4: Simplify right side
    14,084.10x = 157,737,311.21
  5. Step 5: Solve for x
    x = 157,737,311.21/14,084.10
  6. Step 6: Final answer
    x = 11,199.67

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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.