Home / 25,665.76-38,515.92-9,025.93

Finding the Fourth Proportional to 25,665.76, 38,515.92 and 9,025.93

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Solution

The fourth proportional to 25,665.76, 38,515.92 and 9,025.93 is: 13,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.76 : 38,515.92 = 9,025.93 : x
  2. Step 2: Convert to fraction form
    25,665.76/38,515.92 = 9,025.93/x
  3. Step 3: Cross multiply
    25,665.76x = 38,515.92 × 9,025.93
  4. Step 4: Simplify right side
    25,665.76x = 347,641,997.81
  5. Step 5: Solve for x
    x = 347,641,997.81/25,665.76
  6. Step 6: Final answer
    x = 13,544.97

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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.