Home / 15,364.44-21,203.33-8,650.32

Finding the Fourth Proportional to 15,364.44, 21,203.33 and 8,650.32

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Solution

The fourth proportional to 15,364.44, 21,203.33 and 8,650.32 is: 11,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.44 : 21,203.33 = 8,650.32 : x
  2. Step 2: Convert to fraction form
    15,364.44/21,203.33 = 8,650.32/x
  3. Step 3: Cross multiply
    15,364.44x = 21,203.33 × 8,650.32
  4. Step 4: Simplify right side
    15,364.44x = 183,415,546.31
  5. Step 5: Solve for x
    x = 183,415,546.31/15,364.44
  6. Step 6: Final answer
    x = 11,937.67

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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.