Home / 15,817.65-23,730.61-4,724.34

Finding the Fourth Proportional to 15,817.65, 23,730.61 and 4,724.34

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Solution

The fourth proportional to 15,817.65, 23,730.61 and 4,724.34 is: 7,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.65 : 23,730.61 = 4,724.34 : x
  2. Step 2: Convert to fraction form
    15,817.65/23,730.61 = 4,724.34/x
  3. Step 3: Cross multiply
    15,817.65x = 23,730.61 × 4,724.34
  4. Step 4: Simplify right side
    15,817.65x = 112,111,517.56
  5. Step 5: Solve for x
    x = 112,111,517.56/15,817.65
  6. Step 6: Final answer
    x = 7,087.75

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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.