Home / 14,120.42-19,483.04-8,150.81

Finding the Fourth Proportional to 14,120.42, 19,483.04 and 8,150.81

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Solution

The fourth proportional to 14,120.42, 19,483.04 and 8,150.81 is: 11,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.42 : 19,483.04 = 8,150.81 : x
  2. Step 2: Convert to fraction form
    14,120.42/19,483.04 = 8,150.81/x
  3. Step 3: Cross multiply
    14,120.42x = 19,483.04 × 8,150.81
  4. Step 4: Simplify right side
    14,120.42x = 158,802,480.22
  5. Step 5: Solve for x
    x = 158,802,480.22/14,120.42
  6. Step 6: Final answer
    x = 11,246.30

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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.