Home / 37,086.02-55,632.45-12,126.20

Finding the Fourth Proportional to 37,086.02, 55,632.45 and 12,126.20

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Solution

The fourth proportional to 37,086.02, 55,632.45 and 12,126.20 is: 18,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.02 : 55,632.45 = 12,126.20 : x
  2. Step 2: Convert to fraction form
    37,086.02/55,632.45 = 12,126.20/x
  3. Step 3: Cross multiply
    37,086.02x = 55,632.45 × 12,126.20
  4. Step 4: Simplify right side
    37,086.02x = 674,609,937.03
  5. Step 5: Solve for x
    x = 674,609,937.03/37,086.02
  6. Step 6: Final answer
    x = 18,190.41

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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.