Home / 43,082.28-64,623.43-13,500.11

Finding the Fourth Proportional to 43,082.28, 64,623.43 and 13,500.11

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Solution

The fourth proportional to 43,082.28, 64,623.43 and 13,500.11 is: 20,250.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,082.28 : 64,623.43 = 13,500.11 : x
  2. Step 2: Convert to fraction form
    43,082.28/64,623.43 = 13,500.11/x
  3. Step 3: Cross multiply
    43,082.28x = 64,623.43 × 13,500.11
  4. Step 4: Simplify right side
    43,082.28x = 872,423,413.58
  5. Step 5: Solve for x
    x = 872,423,413.58/43,082.28
  6. Step 6: Final answer
    x = 20,250.17

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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.