Home / 16,999.50-25,470.81-12,045.18

Finding the Fourth Proportional to 16,999.50, 25,470.81 and 12,045.18

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Solution

The fourth proportional to 16,999.50, 25,470.81 and 12,045.18 is: 18,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.50 : 25,470.81 = 12,045.18 : x
  2. Step 2: Convert to fraction form
    16,999.50/25,470.81 = 12,045.18/x
  3. Step 3: Cross multiply
    16,999.50x = 25,470.81 × 12,045.18
  4. Step 4: Simplify right side
    16,999.50x = 306,800,491.20
  5. Step 5: Solve for x
    x = 306,800,491.20/16,999.50
  6. Step 6: Final answer
    x = 18,047.62

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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.