Home / 25,631.45-38,456.41-8,994.08

Finding the Fourth Proportional to 25,631.45, 38,456.41 and 8,994.08

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Solution

The fourth proportional to 25,631.45, 38,456.41 and 8,994.08 is: 13,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.45 : 38,456.41 = 8,994.08 : x
  2. Step 2: Convert to fraction form
    25,631.45/38,456.41 = 8,994.08/x
  3. Step 3: Cross multiply
    25,631.45x = 38,456.41 × 8,994.08
  4. Step 4: Simplify right side
    25,631.45x = 345,879,813.29
  5. Step 5: Solve for x
    x = 345,879,813.29/25,631.45
  6. Step 6: Final answer
    x = 13,494.35

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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.