Home / 13,662.36-18,853.54-7,612.46

Finding the Fourth Proportional to 13,662.36, 18,853.54 and 7,612.46

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Solution

The fourth proportional to 13,662.36, 18,853.54 and 7,612.46 is: 10,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.36 : 18,853.54 = 7,612.46 : x
  2. Step 2: Convert to fraction form
    13,662.36/18,853.54 = 7,612.46/x
  3. Step 3: Cross multiply
    13,662.36x = 18,853.54 × 7,612.46
  4. Step 4: Simplify right side
    13,662.36x = 143,521,724.84
  5. Step 5: Solve for x
    x = 143,521,724.84/13,662.36
  6. Step 6: Final answer
    x = 10,504.90

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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.