Home / 19,066.68-28,584.66-8,130.36

Finding the Fourth Proportional to 19,066.68, 28,584.66 and 8,130.36

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Solution

The fourth proportional to 19,066.68, 28,584.66 and 8,130.36 is: 12,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.68 : 28,584.66 = 8,130.36 : x
  2. Step 2: Convert to fraction form
    19,066.68/28,584.66 = 8,130.36/x
  3. Step 3: Cross multiply
    19,066.68x = 28,584.66 × 8,130.36
  4. Step 4: Simplify right side
    19,066.68x = 232,403,576.28
  5. Step 5: Solve for x
    x = 232,403,576.28/19,066.68
  6. Step 6: Final answer
    x = 12,188.99

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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.