Home / 12,345.56-18,519.48-4,025.24

Finding the Fourth Proportional to 12,345.56, 18,519.48 and 4,025.24

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Solution

The fourth proportional to 12,345.56, 18,519.48 and 4,025.24 is: 6,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.56 : 18,519.48 = 4,025.24 : x
  2. Step 2: Convert to fraction form
    12,345.56/18,519.48 = 4,025.24/x
  3. Step 3: Cross multiply
    12,345.56x = 18,519.48 × 4,025.24
  4. Step 4: Simplify right side
    12,345.56x = 74,545,351.68
  5. Step 5: Solve for x
    x = 74,545,351.68/12,345.56
  6. Step 6: Final answer
    x = 6,038.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.