Home / 12,925.70-19,370.10-7,367.30

Finding the Fourth Proportional to 12,925.70, 19,370.10 and 7,367.30

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Solution

The fourth proportional to 12,925.70, 19,370.10 and 7,367.30 is: 11,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.70 : 19,370.10 = 7,367.30 : x
  2. Step 2: Convert to fraction form
    12,925.70/19,370.10 = 7,367.30/x
  3. Step 3: Cross multiply
    12,925.70x = 19,370.10 × 7,367.30
  4. Step 4: Simplify right side
    12,925.70x = 142,705,337.73
  5. Step 5: Solve for x
    x = 142,705,337.73/12,925.70
  6. Step 6: Final answer
    x = 11,040.43

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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.