Home / 43,082.54-64,623.81-13,500.36

Finding the Fourth Proportional to 43,082.54, 64,623.81 and 13,500.36

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Solution

The fourth proportional to 43,082.54, 64,623.81 and 13,500.36 is: 20,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,082.54 : 64,623.81 = 13,500.36 : x
  2. Step 2: Convert to fraction form
    43,082.54/64,623.81 = 13,500.36/x
  3. Step 3: Cross multiply
    43,082.54x = 64,623.81 × 13,500.36
  4. Step 4: Simplify right side
    43,082.54x = 872,444,699.57
  5. Step 5: Solve for x
    x = 872,444,699.57/43,082.54
  6. Step 6: Final answer
    x = 20,250.54

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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.