Home / 28,282.14-39,032.42-18,082.42

Finding the Fourth Proportional to 28,282.14, 39,032.42 and 18,082.42

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Solution

The fourth proportional to 28,282.14, 39,032.42 and 18,082.42 is: 24,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,282.14 : 39,032.42 = 18,082.42 : x
  2. Step 2: Convert to fraction form
    28,282.14/39,032.42 = 18,082.42/x
  3. Step 3: Cross multiply
    28,282.14x = 39,032.42 × 18,082.42
  4. Step 4: Simplify right side
    28,282.14x = 705,800,424.06
  5. Step 5: Solve for x
    x = 705,800,424.06/28,282.14
  6. Step 6: Final answer
    x = 24,955.69

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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.