Home / 14,218.37-19,621.55-7,845.24

Finding the Fourth Proportional to 14,218.37, 19,621.55 and 7,845.24

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Solution

The fourth proportional to 14,218.37, 19,621.55 and 7,845.24 is: 10,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.37 : 19,621.55 = 7,845.24 : x
  2. Step 2: Convert to fraction form
    14,218.37/19,621.55 = 7,845.24/x
  3. Step 3: Cross multiply
    14,218.37x = 19,621.55 × 7,845.24
  4. Step 4: Simplify right side
    14,218.37x = 153,935,768.92
  5. Step 5: Solve for x
    x = 153,935,768.92/14,218.37
  6. Step 6: Final answer
    x = 10,826.54

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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.