Home / 18,740.20-28,052.70-16,666.60

Finding the Fourth Proportional to 18,740.20, 28,052.70 and 16,666.60

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Solution

The fourth proportional to 18,740.20, 28,052.70 and 16,666.60 is: 24,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.20 : 28,052.70 = 16,666.60 : x
  2. Step 2: Convert to fraction form
    18,740.20/28,052.70 = 16,666.60/x
  3. Step 3: Cross multiply
    18,740.20x = 28,052.70 × 16,666.60
  4. Step 4: Simplify right side
    18,740.20x = 467,543,129.82
  5. Step 5: Solve for x
    x = 467,543,129.82/18,740.20
  6. Step 6: Final answer
    x = 24,948.67

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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.