Home / 15,409.80-23,166.26-12,162.04

Finding the Fourth Proportional to 15,409.80, 23,166.26 and 12,162.04

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Solution

The fourth proportional to 15,409.80, 23,166.26 and 12,162.04 is: 18,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.80 : 23,166.26 = 12,162.04 : x
  2. Step 2: Convert to fraction form
    15,409.80/23,166.26 = 12,162.04/x
  3. Step 3: Cross multiply
    15,409.80x = 23,166.26 × 12,162.04
  4. Step 4: Simplify right side
    15,409.80x = 281,748,980.77
  5. Step 5: Solve for x
    x = 281,748,980.77/15,409.80
  6. Step 6: Final answer
    x = 18,283.75

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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.