Home / 36,353.90-54,529.23-12,666.82

Finding the Fourth Proportional to 36,353.90, 54,529.23 and 12,666.82

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Solution

The fourth proportional to 36,353.90, 54,529.23 and 12,666.82 is: 18,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353.90 : 54,529.23 = 12,666.82 : x
  2. Step 2: Convert to fraction form
    36,353.90/54,529.23 = 12,666.82/x
  3. Step 3: Cross multiply
    36,353.90x = 54,529.23 × 12,666.82
  4. Step 4: Simplify right side
    36,353.90x = 690,711,941.15
  5. Step 5: Solve for x
    x = 690,711,941.15/36,353.90
  6. Step 6: Final answer
    x = 18,999.67

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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.