Home / 14,027.66-19,358.58-7,740.44

Finding the Fourth Proportional to 14,027.66, 19,358.58 and 7,740.44

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Solution

The fourth proportional to 14,027.66, 19,358.58 and 7,740.44 is: 10,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.66 : 19,358.58 = 7,740.44 : x
  2. Step 2: Convert to fraction form
    14,027.66/19,358.58 = 7,740.44/x
  3. Step 3: Cross multiply
    14,027.66x = 19,358.58 × 7,740.44
  4. Step 4: Simplify right side
    14,027.66x = 149,843,888.27
  5. Step 5: Solve for x
    x = 149,843,888.27/14,027.66
  6. Step 6: Final answer
    x = 10,682.03

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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.