Home / 13,258.58-19,885.43-5,360.67

Finding the Fourth Proportional to 13,258.58, 19,885.43 and 5,360.67

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Solution

The fourth proportional to 13,258.58, 19,885.43 and 5,360.67 is: 8,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.58 : 19,885.43 = 5,360.67 : x
  2. Step 2: Convert to fraction form
    13,258.58/19,885.43 = 5,360.67/x
  3. Step 3: Cross multiply
    13,258.58x = 19,885.43 × 5,360.67
  4. Step 4: Simplify right side
    13,258.58x = 106,599,241.44
  5. Step 5: Solve for x
    x = 106,599,241.44/13,258.58
  6. Step 6: Final answer
    x = 8,040.02

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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.