Home / 25,458.41-38,182.67-12,804.80

Finding the Fourth Proportional to 25,458.41, 38,182.67 and 12,804.80

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Solution

The fourth proportional to 25,458.41, 38,182.67 and 12,804.80 is: 19,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.41 : 38,182.67 = 12,804.80 : x
  2. Step 2: Convert to fraction form
    25,458.41/38,182.67 = 12,804.80/x
  3. Step 3: Cross multiply
    25,458.41x = 38,182.67 × 12,804.80
  4. Step 4: Simplify right side
    25,458.41x = 488,921,197.88
  5. Step 5: Solve for x
    x = 488,921,197.88/25,458.41
  6. Step 6: Final answer
    x = 19,204.70

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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.