Home / 14,072.15-19,419.53-8,105.01

Finding the Fourth Proportional to 14,072.15, 19,419.53 and 8,105.01

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Solution

The fourth proportional to 14,072.15, 19,419.53 and 8,105.01 is: 11,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.15 : 19,419.53 = 8,105.01 : x
  2. Step 2: Convert to fraction form
    14,072.15/19,419.53 = 8,105.01/x
  3. Step 3: Cross multiply
    14,072.15x = 19,419.53 × 8,105.01
  4. Step 4: Simplify right side
    14,072.15x = 157,395,444.32
  5. Step 5: Solve for x
    x = 157,395,444.32/14,072.15
  6. Step 6: Final answer
    x = 11,184.89

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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.