Home / 27,639.84-38,149.14-17,566.32

Finding the Fourth Proportional to 27,639.84, 38,149.14 and 17,566.32

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Solution

The fourth proportional to 27,639.84, 38,149.14 and 17,566.32 is: 24,245.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.84 : 38,149.14 = 17,566.32 : x
  2. Step 2: Convert to fraction form
    27,639.84/38,149.14 = 17,566.32/x
  3. Step 3: Cross multiply
    27,639.84x = 38,149.14 × 17,566.32
  4. Step 4: Simplify right side
    27,639.84x = 670,140,000.96
  5. Step 5: Solve for x
    x = 670,140,000.96/27,639.84
  6. Step 6: Final answer
    x = 24,245.44

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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.