Home / 13,424.37-18,512.73-8,045.94

Finding the Fourth Proportional to 13,424.37, 18,512.73 and 8,045.94

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Solution

The fourth proportional to 13,424.37, 18,512.73 and 8,045.94 is: 11,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.37 : 18,512.73 = 8,045.94 : x
  2. Step 2: Convert to fraction form
    13,424.37/18,512.73 = 8,045.94/x
  3. Step 3: Cross multiply
    13,424.37x = 18,512.73 × 8,045.94
  4. Step 4: Simplify right side
    13,424.37x = 148,952,314.82
  5. Step 5: Solve for x
    x = 148,952,314.82/13,424.37
  6. Step 6: Final answer
    x = 11,095.67

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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.