Home / 14,348.40-19,800.52-7,974.92

Finding the Fourth Proportional to 14,348.40, 19,800.52 and 7,974.92

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Solution

The fourth proportional to 14,348.40, 19,800.52 and 7,974.92 is: 11,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.40 : 19,800.52 = 7,974.92 : x
  2. Step 2: Convert to fraction form
    14,348.40/19,800.52 = 7,974.92/x
  3. Step 3: Cross multiply
    14,348.40x = 19,800.52 × 7,974.92
  4. Step 4: Simplify right side
    14,348.40x = 157,907,562.96
  5. Step 5: Solve for x
    x = 157,907,562.96/14,348.40
  6. Step 6: Final answer
    x = 11,005.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.