Home / 14,076.21-19,419.12-8,106.60

Finding the Fourth Proportional to 14,076.21, 19,419.12 and 8,106.60

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Solution

The fourth proportional to 14,076.21, 19,419.12 and 8,106.60 is: 11,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.21 : 19,419.12 = 8,106.60 : x
  2. Step 2: Convert to fraction form
    14,076.21/19,419.12 = 8,106.60/x
  3. Step 3: Cross multiply
    14,076.21x = 19,419.12 × 8,106.60
  4. Step 4: Simplify right side
    14,076.21x = 157,423,038.19
  5. Step 5: Solve for x
    x = 157,423,038.19/14,076.21
  6. Step 6: Final answer
    x = 11,183.62

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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.