Home / 13,269.60-19,904.40-5,474.16

Finding the Fourth Proportional to 13,269.60, 19,904.40 and 5,474.16

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Solution

The fourth proportional to 13,269.60, 19,904.40 and 5,474.16 is: 8,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.60 : 19,904.40 = 5,474.16 : x
  2. Step 2: Convert to fraction form
    13,269.60/19,904.40 = 5,474.16/x
  3. Step 3: Cross multiply
    13,269.60x = 19,904.40 × 5,474.16
  4. Step 4: Simplify right side
    13,269.60x = 108,959,870.30
  5. Step 5: Solve for x
    x = 108,959,870.30/13,269.60
  6. Step 6: Final answer
    x = 8,211.24

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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.