Home / 25,851.92-38,779.88-8,322.28

Finding the Fourth Proportional to 25,851.92, 38,779.88 and 8,322.28

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Solution

The fourth proportional to 25,851.92, 38,779.88 and 8,322.28 is: 12,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.92 : 38,779.88 = 8,322.28 : x
  2. Step 2: Convert to fraction form
    25,851.92/38,779.88 = 8,322.28/x
  3. Step 3: Cross multiply
    25,851.92x = 38,779.88 × 8,322.28
  4. Step 4: Simplify right side
    25,851.92x = 322,737,019.73
  5. Step 5: Solve for x
    x = 322,737,019.73/25,851.92
  6. Step 6: Final answer
    x = 12,484.06

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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.