Home / 14,148.39-19,525.19-8,179.53

Finding the Fourth Proportional to 14,148.39, 19,525.19 and 8,179.53

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Solution

The fourth proportional to 14,148.39, 19,525.19 and 8,179.53 is: 11,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.39 : 19,525.19 = 8,179.53 : x
  2. Step 2: Convert to fraction form
    14,148.39/19,525.19 = 8,179.53/x
  3. Step 3: Cross multiply
    14,148.39x = 19,525.19 × 8,179.53
  4. Step 4: Simplify right side
    14,148.39x = 159,706,877.36
  5. Step 5: Solve for x
    x = 159,706,877.36/14,148.39
  6. Step 6: Final answer
    x = 11,287.99

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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.