Home / 13,231.08-18,258.93-7,263.36

Finding the Fourth Proportional to 13,231.08, 18,258.93 and 7,263.36

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Solution

The fourth proportional to 13,231.08, 18,258.93 and 7,263.36 is: 10,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.08 : 18,258.93 = 7,263.36 : x
  2. Step 2: Convert to fraction form
    13,231.08/18,258.93 = 7,263.36/x
  3. Step 3: Cross multiply
    13,231.08x = 18,258.93 × 7,263.36
  4. Step 4: Simplify right side
    13,231.08x = 132,621,181.80
  5. Step 5: Solve for x
    x = 132,621,181.80/13,231.08
  6. Step 6: Final answer
    x = 10,023.46

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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.