Home / 14,106.96-21,161.74-5,103.32

Finding the Fourth Proportional to 14,106.96, 21,161.74 and 5,103.32

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Solution

The fourth proportional to 14,106.96, 21,161.74 and 5,103.32 is: 7,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.96 : 21,161.74 = 5,103.32 : x
  2. Step 2: Convert to fraction form
    14,106.96/21,161.74 = 5,103.32/x
  3. Step 3: Cross multiply
    14,106.96x = 21,161.74 × 5,103.32
  4. Step 4: Simplify right side
    14,106.96x = 107,995,174.89
  5. Step 5: Solve for x
    x = 107,995,174.89/14,106.96
  6. Step 6: Final answer
    x = 7,655.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.