Home / 13,526.81-20,253.18-11,193.56

Finding the Fourth Proportional to 13,526.81, 20,253.18 and 11,193.56

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Solution

The fourth proportional to 13,526.81, 20,253.18 and 11,193.56 is: 16,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.81 : 20,253.18 = 11,193.56 : x
  2. Step 2: Convert to fraction form
    13,526.81/20,253.18 = 11,193.56/x
  3. Step 3: Cross multiply
    13,526.81x = 20,253.18 × 11,193.56
  4. Step 4: Simplify right side
    13,526.81x = 226,705,084.25
  5. Step 5: Solve for x
    x = 226,705,084.25/13,526.81
  6. Step 6: Final answer
    x = 16,759.69

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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.