Home / 14,629.02-20,188.02-7,914.65

Finding the Fourth Proportional to 14,629.02, 20,188.02 and 7,914.65

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Solution

The fourth proportional to 14,629.02, 20,188.02 and 7,914.65 is: 10,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.02 : 20,188.02 = 7,914.65 : x
  2. Step 2: Convert to fraction form
    14,629.02/20,188.02 = 7,914.65/x
  3. Step 3: Cross multiply
    14,629.02x = 20,188.02 × 7,914.65
  4. Step 4: Simplify right side
    14,629.02x = 159,781,112.49
  5. Step 5: Solve for x
    x = 159,781,112.49/14,629.02
  6. Step 6: Final answer
    x = 10,922.20

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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.