Home / 37,037.60-55,556.40-12,413.60

Finding the Fourth Proportional to 37,037.60, 55,556.40 and 12,413.60

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Solution

The fourth proportional to 37,037.60, 55,556.40 and 12,413.60 is: 18,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,037.60 : 55,556.40 = 12,413.60 : x
  2. Step 2: Convert to fraction form
    37,037.60/55,556.40 = 12,413.60/x
  3. Step 3: Cross multiply
    37,037.60x = 55,556.40 × 12,413.60
  4. Step 4: Simplify right side
    37,037.60x = 689,654,927.04
  5. Step 5: Solve for x
    x = 689,654,927.04/37,037.60
  6. Step 6: Final answer
    x = 18,620.40

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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.