Home / 21,623.09-29,822.58-14,907.17

Finding the Fourth Proportional to 21,623.09, 29,822.58 and 14,907.17

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Solution

The fourth proportional to 21,623.09, 29,822.58 and 14,907.17 is: 20,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.09 : 29,822.58 = 14,907.17 : x
  2. Step 2: Convert to fraction form
    21,623.09/29,822.58 = 14,907.17/x
  3. Step 3: Cross multiply
    21,623.09x = 29,822.58 × 14,907.17
  4. Step 4: Simplify right side
    21,623.09x = 444,570,344.46
  5. Step 5: Solve for x
    x = 444,570,344.46/21,623.09
  6. Step 6: Final answer
    x = 20,559.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.