Home / 13,972.92-19,290.60-9,263.58

Finding the Fourth Proportional to 13,972.92, 19,290.60 and 9,263.58

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Solution

The fourth proportional to 13,972.92, 19,290.60 and 9,263.58 is: 12,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.92 : 19,290.60 = 9,263.58 : x
  2. Step 2: Convert to fraction form
    13,972.92/19,290.60 = 9,263.58/x
  3. Step 3: Cross multiply
    13,972.92x = 19,290.60 × 9,263.58
  4. Step 4: Simplify right side
    13,972.92x = 178,700,016.35
  5. Step 5: Solve for x
    x = 178,700,016.35/13,972.92
  6. Step 6: Final answer
    x = 12,789.02

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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.