Home / 25,855.44-38,779.32-8,322.96

Finding the Fourth Proportional to 25,855.44, 38,779.32 and 8,322.96

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Solution

The fourth proportional to 25,855.44, 38,779.32 and 8,322.96 is: 12,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.44 : 38,779.32 = 8,322.96 : x
  2. Step 2: Convert to fraction form
    25,855.44/38,779.32 = 8,322.96/x
  3. Step 3: Cross multiply
    25,855.44x = 38,779.32 × 8,322.96
  4. Step 4: Simplify right side
    25,855.44x = 322,758,729.19
  5. Step 5: Solve for x
    x = 322,758,729.19/25,855.44
  6. Step 6: Final answer
    x = 12,483.20

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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.