Home / 25,794.45-38,666.16-12,442.82

Finding the Fourth Proportional to 25,794.45, 38,666.16 and 12,442.82

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Solution

The fourth proportional to 25,794.45, 38,666.16 and 12,442.82 is: 18,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.45 : 38,666.16 = 12,442.82 : x
  2. Step 2: Convert to fraction form
    25,794.45/38,666.16 = 12,442.82/x
  3. Step 3: Cross multiply
    25,794.45x = 38,666.16 × 12,442.82
  4. Step 4: Simplify right side
    25,794.45x = 481,115,875.64
  5. Step 5: Solve for x
    x = 481,115,875.64/25,794.45
  6. Step 6: Final answer
    x = 18,651.91

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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.