Home / 16,999.65-25,492.56-9,993.74

Finding the Fourth Proportional to 16,999.65, 25,492.56 and 9,993.74

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Solution

The fourth proportional to 16,999.65, 25,492.56 and 9,993.74 is: 14,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.65 : 25,492.56 = 9,993.74 : x
  2. Step 2: Convert to fraction form
    16,999.65/25,492.56 = 9,993.74/x
  3. Step 3: Cross multiply
    16,999.65x = 25,492.56 × 9,993.74
  4. Step 4: Simplify right side
    16,999.65x = 254,765,911.72
  5. Step 5: Solve for x
    x = 254,765,911.72/16,999.65
  6. Step 6: Final answer
    x = 14,986.54

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1.5x scale

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.