Home / 25,788.11-38,685.87-9,783.54

Finding the Fourth Proportional to 25,788.11, 38,685.87 and 9,783.54

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Solution

The fourth proportional to 25,788.11, 38,685.87 and 9,783.54 is: 14,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.11 : 38,685.87 = 9,783.54 : x
  2. Step 2: Convert to fraction form
    25,788.11/38,685.87 = 9,783.54/x
  3. Step 3: Cross multiply
    25,788.11x = 38,685.87 × 9,783.54
  4. Step 4: Simplify right side
    25,788.11x = 378,484,756.58
  5. Step 5: Solve for x
    x = 378,484,756.58/25,788.11
  6. Step 6: Final answer
    x = 14,676.72

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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.