Home / 13,151.44-19,727.34-4,386.36

Finding the Fourth Proportional to 13,151.44, 19,727.34 and 4,386.36

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Solution

The fourth proportional to 13,151.44, 19,727.34 and 4,386.36 is: 6,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.44 : 19,727.34 = 4,386.36 : x
  2. Step 2: Convert to fraction form
    13,151.44/19,727.34 = 4,386.36/x
  3. Step 3: Cross multiply
    13,151.44x = 19,727.34 × 4,386.36
  4. Step 4: Simplify right side
    13,151.44x = 86,531,215.08
  5. Step 5: Solve for x
    x = 86,531,215.08/13,151.44
  6. Step 6: Final answer
    x = 6,579.60

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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.