Home / 13,446.37-20,156.39-7,526.15

Finding the Fourth Proportional to 13,446.37, 20,156.39 and 7,526.15

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Solution

The fourth proportional to 13,446.37, 20,156.39 and 7,526.15 is: 11,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.37 : 20,156.39 = 7,526.15 : x
  2. Step 2: Convert to fraction form
    13,446.37/20,156.39 = 7,526.15/x
  3. Step 3: Cross multiply
    13,446.37x = 20,156.39 × 7,526.15
  4. Step 4: Simplify right side
    13,446.37x = 151,700,014.60
  5. Step 5: Solve for x
    x = 151,700,014.60/13,446.37
  6. Step 6: Final answer
    x = 11,281.86

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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.