Home / 14,628.63-20,187.46-7,914.25

Finding the Fourth Proportional to 14,628.63, 20,187.46 and 7,914.25

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Solution

The fourth proportional to 14,628.63, 20,187.46 and 7,914.25 is: 10,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.63 : 20,187.46 = 7,914.25 : x
  2. Step 2: Convert to fraction form
    14,628.63/20,187.46 = 7,914.25/x
  3. Step 3: Cross multiply
    14,628.63x = 20,187.46 × 7,914.25
  4. Step 4: Simplify right side
    14,628.63x = 159,768,535.05
  5. Step 5: Solve for x
    x = 159,768,535.05/14,628.63
  6. Step 6: Final answer
    x = 10,921.63

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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.