Home / 55,683.82-83,541.27-18,270.20

Finding the Fourth Proportional to 55,683.82, 83,541.27 and 18,270.20

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Solution

The fourth proportional to 55,683.82, 83,541.27 and 18,270.20 is: 27,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.82 : 83,541.27 = 18,270.20 : x
  2. Step 2: Convert to fraction form
    55,683.82/83,541.27 = 18,270.20/x
  3. Step 3: Cross multiply
    55,683.82x = 83,541.27 × 18,270.20
  4. Step 4: Simplify right side
    55,683.82x = 1,526,315,988.52
  5. Step 5: Solve for x
    x = 1,526,315,988.52/55,683.82
  6. Step 6: Final answer
    x = 27,410.40

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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.