Home / 15,503.80-23,255.70-5,116.60

Finding the Fourth Proportional to 15,503.80, 23,255.70 and 5,116.60

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Solution

The fourth proportional to 15,503.80, 23,255.70 and 5,116.60 is: 7,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.80 : 23,255.70 = 5,116.60 : x
  2. Step 2: Convert to fraction form
    15,503.80/23,255.70 = 5,116.60/x
  3. Step 3: Cross multiply
    15,503.80x = 23,255.70 × 5,116.60
  4. Step 4: Simplify right side
    15,503.80x = 118,990,114.62
  5. Step 5: Solve for x
    x = 118,990,114.62/15,503.80
  6. Step 6: Final answer
    x = 7,674.90

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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.