Home / 13,258.44-18,297.18-7,951.32

Finding the Fourth Proportional to 13,258.44, 18,297.18 and 7,951.32

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Solution

The fourth proportional to 13,258.44, 18,297.18 and 7,951.32 is: 10,973.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.44 : 18,297.18 = 7,951.32 : x
  2. Step 2: Convert to fraction form
    13,258.44/18,297.18 = 7,951.32/x
  3. Step 3: Cross multiply
    13,258.44x = 18,297.18 × 7,951.32
  4. Step 4: Simplify right side
    13,258.44x = 145,486,733.28
  5. Step 5: Solve for x
    x = 145,486,733.28/13,258.44
  6. Step 6: Final answer
    x = 10,973.14

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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.