Home / 15,139.44-22,677.89-8,880.60

Finding the Fourth Proportional to 15,139.44, 22,677.89 and 8,880.60

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Solution

The fourth proportional to 15,139.44, 22,677.89 and 8,880.60 is: 13,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.44 : 22,677.89 = 8,880.60 : x
  2. Step 2: Convert to fraction form
    15,139.44/22,677.89 = 8,880.60/x
  3. Step 3: Cross multiply
    15,139.44x = 22,677.89 × 8,880.60
  4. Step 4: Simplify right side
    15,139.44x = 201,393,269.93
  5. Step 5: Solve for x
    x = 201,393,269.93/15,139.44
  6. Step 6: Final answer
    x = 13,302.56

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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.