Home / 19,601.60-29,383.20-10,246.40

Finding the Fourth Proportional to 19,601.60, 29,383.20 and 10,246.40

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Solution

The fourth proportional to 19,601.60, 29,383.20 and 10,246.40 is: 15,359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.60 : 29,383.20 = 10,246.40 : x
  2. Step 2: Convert to fraction form
    19,601.60/29,383.20 = 10,246.40/x
  3. Step 3: Cross multiply
    19,601.60x = 29,383.20 × 10,246.40
  4. Step 4: Simplify right side
    19,601.60x = 301,072,020.48
  5. Step 5: Solve for x
    x = 301,072,020.48/19,601.60
  6. Step 6: Final answer
    x = 15,359.56

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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.