Home / 13,821.63-19,073.84-7,534.41

Finding the Fourth Proportional to 13,821.63, 19,073.84 and 7,534.41

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Solution

The fourth proportional to 13,821.63, 19,073.84 and 7,534.41 is: 10,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.63 : 19,073.84 = 7,534.41 : x
  2. Step 2: Convert to fraction form
    13,821.63/19,073.84 = 7,534.41/x
  3. Step 3: Cross multiply
    13,821.63x = 19,073.84 × 7,534.41
  4. Step 4: Simplify right side
    13,821.63x = 143,710,130.83
  5. Step 5: Solve for x
    x = 143,710,130.83/13,821.63
  6. Step 6: Final answer
    x = 10,397.48

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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.