Home / 37,099.32-55,652.43-12,139.53

Finding the Fourth Proportional to 37,099.32, 55,652.43 and 12,139.53

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Solution

The fourth proportional to 37,099.32, 55,652.43 and 12,139.53 is: 18,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.32 : 55,652.43 = 12,139.53 : x
  2. Step 2: Convert to fraction form
    37,099.32/55,652.43 = 12,139.53/x
  3. Step 3: Cross multiply
    37,099.32x = 55,652.43 × 12,139.53
  4. Step 4: Simplify right side
    37,099.32x = 675,594,343.56
  5. Step 5: Solve for x
    x = 675,594,343.56/37,099.32
  6. Step 6: Final answer
    x = 18,210.42

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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.