Home / 10,025.36-15,038.92-2,629.80

Finding the Fourth Proportional to 10,025.36, 15,038.92 and 2,629.80

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Solution

The fourth proportional to 10,025.36, 15,038.92 and 2,629.80 is: 3,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.36 : 15,038.92 = 2,629.80 : x
  2. Step 2: Convert to fraction form
    10,025.36/15,038.92 = 2,629.80/x
  3. Step 3: Cross multiply
    10,025.36x = 15,038.92 × 2,629.80
  4. Step 4: Simplify right side
    10,025.36x = 39,549,351.82
  5. Step 5: Solve for x
    x = 39,549,351.82/10,025.36
  6. Step 6: Final answer
    x = 3,944.93

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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.