Home / 25,948.99-38,928.35-8,416.54

Finding the Fourth Proportional to 25,948.99, 38,928.35 and 8,416.54

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Solution

The fourth proportional to 25,948.99, 38,928.35 and 8,416.54 is: 12,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.99 : 38,928.35 = 8,416.54 : x
  2. Step 2: Convert to fraction form
    25,948.99/38,928.35 = 8,416.54/x
  3. Step 3: Cross multiply
    25,948.99x = 38,928.35 × 8,416.54
  4. Step 4: Simplify right side
    25,948.99x = 327,642,014.91
  5. Step 5: Solve for x
    x = 327,642,014.91/25,948.99
  6. Step 6: Final answer
    x = 12,626.39

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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.