Home / 13,477.51-20,216.36-4,118.97

Finding the Fourth Proportional to 13,477.51, 20,216.36 and 4,118.97

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Solution

The fourth proportional to 13,477.51, 20,216.36 and 4,118.97 is: 6,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.51 : 20,216.36 = 4,118.97 : x
  2. Step 2: Convert to fraction form
    13,477.51/20,216.36 = 4,118.97/x
  3. Step 3: Cross multiply
    13,477.51x = 20,216.36 × 4,118.97
  4. Step 4: Simplify right side
    13,477.51x = 83,270,580.35
  5. Step 5: Solve for x
    x = 83,270,580.35/13,477.51
  6. Step 6: Final answer
    x = 6,178.48

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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.