Home / 38,599.08-57,898.80-13,636.28

Finding the Fourth Proportional to 38,599.08, 57,898.80 and 13,636.28

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Solution

The fourth proportional to 38,599.08, 57,898.80 and 13,636.28 is: 20,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.08 : 57,898.80 = 13,636.28 : x
  2. Step 2: Convert to fraction form
    38,599.08/57,898.80 = 13,636.28/x
  3. Step 3: Cross multiply
    38,599.08x = 57,898.80 × 13,636.28
  4. Step 4: Simplify right side
    38,599.08x = 789,523,958.97
  5. Step 5: Solve for x
    x = 789,523,958.97/38,599.08
  6. Step 6: Final answer
    x = 20,454.48

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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.