Home / 13,124.16-19,690.49-4,360.37

Finding the Fourth Proportional to 13,124.16, 19,690.49 and 4,360.37

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Solution

The fourth proportional to 13,124.16, 19,690.49 and 4,360.37 is: 6,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.16 : 19,690.49 = 4,360.37 : x
  2. Step 2: Convert to fraction form
    13,124.16/19,690.49 = 4,360.37/x
  3. Step 3: Cross multiply
    13,124.16x = 19,690.49 × 4,360.37
  4. Step 4: Simplify right side
    13,124.16x = 85,857,734.33
  5. Step 5: Solve for x
    x = 85,857,734.33/13,124.16
  6. Step 6: Final answer
    x = 6,541.96

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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.