Home / 55,275.03-82,912.20-15,832.21

Finding the Fourth Proportional to 55,275.03, 82,912.20 and 15,832.21

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Solution

The fourth proportional to 55,275.03, 82,912.20 and 15,832.21 is: 23,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.03 : 82,912.20 = 15,832.21 : x
  2. Step 2: Convert to fraction form
    55,275.03/82,912.20 = 15,832.21/x
  3. Step 3: Cross multiply
    55,275.03x = 82,912.20 × 15,832.21
  4. Step 4: Simplify right side
    55,275.03x = 1,312,683,361.96
  5. Step 5: Solve for x
    x = 1,312,683,361.96/55,275.03
  6. Step 6: Final answer
    x = 23,748.22

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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.