Home / 19,261.06-28,892.40-9,409.04

Finding the Fourth Proportional to 19,261.06, 28,892.40 and 9,409.04

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Solution

The fourth proportional to 19,261.06, 28,892.40 and 9,409.04 is: 14,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.06 : 28,892.40 = 9,409.04 : x
  2. Step 2: Convert to fraction form
    19,261.06/28,892.40 = 9,409.04/x
  3. Step 3: Cross multiply
    19,261.06x = 28,892.40 × 9,409.04
  4. Step 4: Simplify right side
    19,261.06x = 271,849,747.30
  5. Step 5: Solve for x
    x = 271,849,747.30/19,261.06
  6. Step 6: Final answer
    x = 14,113.96

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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.