Home / 13,113.24-19,643.94-9,830.04

Finding the Fourth Proportional to 13,113.24, 19,643.94 and 9,830.04

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Solution

The fourth proportional to 13,113.24, 19,643.94 and 9,830.04 is: 14,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.24 : 19,643.94 = 9,830.04 : x
  2. Step 2: Convert to fraction form
    13,113.24/19,643.94 = 9,830.04/x
  3. Step 3: Cross multiply
    13,113.24x = 19,643.94 × 9,830.04
  4. Step 4: Simplify right side
    13,113.24x = 193,100,715.96
  5. Step 5: Solve for x
    x = 193,100,715.96/13,113.24
  6. Step 6: Final answer
    x = 14,725.63

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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.