Home / 32,683.72-45,102.12-18,147.01

Finding the Fourth Proportional to 32,683.72, 45,102.12 and 18,147.01

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Solution

The fourth proportional to 32,683.72, 45,102.12 and 18,147.01 is: 25,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,683.72 : 45,102.12 = 18,147.01 : x
  2. Step 2: Convert to fraction form
    32,683.72/45,102.12 = 18,147.01/x
  3. Step 3: Cross multiply
    32,683.72x = 45,102.12 × 18,147.01
  4. Step 4: Simplify right side
    32,683.72x = 818,468,622.66
  5. Step 5: Solve for x
    x = 818,468,622.66/32,683.72
  6. Step 6: Final answer
    x = 25,042.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.