Home / 14,627.02-20,185.26-7,912.66

Finding the Fourth Proportional to 14,627.02, 20,185.26 and 7,912.66

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Solution

The fourth proportional to 14,627.02, 20,185.26 and 7,912.66 is: 10,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.02 : 20,185.26 = 7,912.66 : x
  2. Step 2: Convert to fraction form
    14,627.02/20,185.26 = 7,912.66/x
  3. Step 3: Cross multiply
    14,627.02x = 20,185.26 × 7,912.66
  4. Step 4: Simplify right side
    14,627.02x = 159,718,998.47
  5. Step 5: Solve for x
    x = 159,718,998.47/14,627.02
  6. Step 6: Final answer
    x = 10,919.45

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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.