Home / 37,190.16-55,788.48-12,222.72

Finding the Fourth Proportional to 37,190.16, 55,788.48 and 12,222.72

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Solution

The fourth proportional to 37,190.16, 55,788.48 and 12,222.72 is: 18,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.16 : 55,788.48 = 12,222.72 : x
  2. Step 2: Convert to fraction form
    37,190.16/55,788.48 = 12,222.72/x
  3. Step 3: Cross multiply
    37,190.16x = 55,788.48 × 12,222.72
  4. Step 4: Simplify right side
    37,190.16x = 681,886,970.27
  5. Step 5: Solve for x
    x = 681,886,970.27/37,190.16
  6. Step 6: Final answer
    x = 18,335.14

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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.