Home / 25,686.60-38,520.72-10,896.54

Finding the Fourth Proportional to 25,686.60, 38,520.72 and 10,896.54

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Solution

The fourth proportional to 25,686.60, 38,520.72 and 10,896.54 is: 16,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.60 : 38,520.72 = 10,896.54 : x
  2. Step 2: Convert to fraction form
    25,686.60/38,520.72 = 10,896.54/x
  3. Step 3: Cross multiply
    25,686.60x = 38,520.72 × 10,896.54
  4. Step 4: Simplify right side
    25,686.60x = 419,742,566.31
  5. Step 5: Solve for x
    x = 419,742,566.31/25,686.60
  6. Step 6: Final answer
    x = 16,340.92

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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.