Home / 25,847.24-38,777.36-8,316.68

Finding the Fourth Proportional to 25,847.24, 38,777.36 and 8,316.68

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Solution

The fourth proportional to 25,847.24, 38,777.36 and 8,316.68 is: 12,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,847.24 : 38,777.36 = 8,316.68 : x
  2. Step 2: Convert to fraction form
    25,847.24/38,777.36 = 8,316.68/x
  3. Step 3: Cross multiply
    25,847.24x = 38,777.36 × 8,316.68
  4. Step 4: Simplify right side
    25,847.24x = 322,498,894.36
  5. Step 5: Solve for x
    x = 322,498,894.36/25,847.24
  6. Step 6: Final answer
    x = 12,477.11

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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.