Home / 13,026.86-19,541.19-5,235.67

Finding the Fourth Proportional to 13,026.86, 19,541.19 and 5,235.67

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Solution

The fourth proportional to 13,026.86, 19,541.19 and 5,235.67 is: 7,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.86 : 19,541.19 = 5,235.67 : x
  2. Step 2: Convert to fraction form
    13,026.86/19,541.19 = 5,235.67/x
  3. Step 3: Cross multiply
    13,026.86x = 19,541.19 × 5,235.67
  4. Step 4: Simplify right side
    13,026.86x = 102,311,222.25
  5. Step 5: Solve for x
    x = 102,311,222.25/13,026.86
  6. Step 6: Final answer
    x = 7,853.87

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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.