Home / 28,682.61-39,582.88-17,354.18

Finding the Fourth Proportional to 28,682.61, 39,582.88 and 17,354.18

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Solution

The fourth proportional to 28,682.61, 39,582.88 and 17,354.18 is: 23,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,682.61 : 39,582.88 = 17,354.18 : x
  2. Step 2: Convert to fraction form
    28,682.61/39,582.88 = 17,354.18/x
  3. Step 3: Cross multiply
    28,682.61x = 39,582.88 × 17,354.18
  4. Step 4: Simplify right side
    28,682.61x = 686,928,480.01
  5. Step 5: Solve for x
    x = 686,928,480.01/28,682.61
  6. Step 6: Final answer
    x = 23,949.30

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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.