Home / 17,870.90-26,806.58-4,723.16

Finding the Fourth Proportional to 17,870.90, 26,806.58 and 4,723.16

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Solution

The fourth proportional to 17,870.90, 26,806.58 and 4,723.16 is: 7,084.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.90 : 26,806.58 = 4,723.16 : x
  2. Step 2: Convert to fraction form
    17,870.90/26,806.58 = 4,723.16/x
  3. Step 3: Cross multiply
    17,870.90x = 26,806.58 × 4,723.16
  4. Step 4: Simplify right side
    17,870.90x = 126,611,608.74
  5. Step 5: Solve for x
    x = 126,611,608.74/17,870.90
  6. Step 6: Final answer
    x = 7,084.79

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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.