Home / 13,038.75-19,549.49-4,717.69

Finding the Fourth Proportional to 13,038.75, 19,549.49 and 4,717.69

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Solution

The fourth proportional to 13,038.75, 19,549.49 and 4,717.69 is: 7,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,038.75 : 19,549.49 = 4,717.69 : x
  2. Step 2: Convert to fraction form
    13,038.75/19,549.49 = 4,717.69/x
  3. Step 3: Cross multiply
    13,038.75x = 19,549.49 × 4,717.69
  4. Step 4: Simplify right side
    13,038.75x = 92,228,367.17
  5. Step 5: Solve for x
    x = 92,228,367.17/13,038.75
  6. Step 6: Final answer
    x = 7,073.40

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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.