Home / 25,535.28-38,303.20-7,768.82

Finding the Fourth Proportional to 25,535.28, 38,303.20 and 7,768.82

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Solution

The fourth proportional to 25,535.28, 38,303.20 and 7,768.82 is: 11,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,535.28 : 38,303.20 = 7,768.82 : x
  2. Step 2: Convert to fraction form
    25,535.28/38,303.20 = 7,768.82/x
  3. Step 3: Cross multiply
    25,535.28x = 38,303.20 × 7,768.82
  4. Step 4: Simplify right side
    25,535.28x = 297,570,771.69
  5. Step 5: Solve for x
    x = 297,570,771.69/25,535.28
  6. Step 6: Final answer
    x = 11,653.32

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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.