Home / 28,682.14-39,582.21-17,353.71

Finding the Fourth Proportional to 28,682.14, 39,582.21 and 17,353.71

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Solution

The fourth proportional to 28,682.14, 39,582.21 and 17,353.71 is: 23,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.14 : 39,582.21 = 17,353.71 : x
  2. Step 2: Convert to fraction form
    28,682.14/39,582.21 = 17,353.71/x
  3. Step 3: Cross multiply
    28,682.14x = 39,582.21 × 17,353.71
  4. Step 4: Simplify right side
    28,682.14x = 686,898,193.50
  5. Step 5: Solve for x
    x = 686,898,193.50/28,682.14
  6. Step 6: Final answer
    x = 23,948.64

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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.