Home / 14,690.57-20,273.02-7,976.23

Finding the Fourth Proportional to 14,690.57, 20,273.02 and 7,976.23

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Solution

The fourth proportional to 14,690.57, 20,273.02 and 7,976.23 is: 11,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.57 : 20,273.02 = 7,976.23 : x
  2. Step 2: Convert to fraction form
    14,690.57/20,273.02 = 7,976.23/x
  3. Step 3: Cross multiply
    14,690.57x = 20,273.02 × 7,976.23
  4. Step 4: Simplify right side
    14,690.57x = 161,702,199.69
  5. Step 5: Solve for x
    x = 161,702,199.69/14,690.57
  6. Step 6: Final answer
    x = 11,007.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.