Home / 32,920.14-45,428.66-18,777.54

Finding the Fourth Proportional to 32,920.14, 45,428.66 and 18,777.54

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Solution

The fourth proportional to 32,920.14, 45,428.66 and 18,777.54 is: 25,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.14 : 45,428.66 = 18,777.54 : x
  2. Step 2: Convert to fraction form
    32,920.14/45,428.66 = 18,777.54/x
  3. Step 3: Cross multiply
    32,920.14x = 45,428.66 × 18,777.54
  4. Step 4: Simplify right side
    32,920.14x = 853,038,480.30
  5. Step 5: Solve for x
    x = 853,038,480.30/32,920.14
  6. Step 6: Final answer
    x = 25,912.36

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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.