Home / 19,655.89-29,453.07-7,803.26

Finding the Fourth Proportional to 19,655.89, 29,453.07 and 7,803.26

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Solution

The fourth proportional to 19,655.89, 29,453.07 and 7,803.26 is: 11,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.89 : 29,453.07 = 7,803.26 : x
  2. Step 2: Convert to fraction form
    19,655.89/29,453.07 = 7,803.26/x
  3. Step 3: Cross multiply
    19,655.89x = 29,453.07 × 7,803.26
  4. Step 4: Simplify right side
    19,655.89x = 229,829,994.40
  5. Step 5: Solve for x
    x = 229,829,994.40/19,655.89
  6. Step 6: Final answer
    x = 11,692.68

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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.