Home / 15,468.25-21,346.23-8,394.67

Finding the Fourth Proportional to 15,468.25, 21,346.23 and 8,394.67

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Solution

The fourth proportional to 15,468.25, 21,346.23 and 8,394.67 is: 11,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.25 : 21,346.23 = 8,394.67 : x
  2. Step 2: Convert to fraction form
    15,468.25/21,346.23 = 8,394.67/x
  3. Step 3: Cross multiply
    15,468.25x = 21,346.23 × 8,394.67
  4. Step 4: Simplify right side
    15,468.25x = 179,194,556.59
  5. Step 5: Solve for x
    x = 179,194,556.59/15,468.25
  6. Step 6: Final answer
    x = 11,584.67

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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.