Home / 13,756.56-20,644.86-4,992.18

Finding the Fourth Proportional to 13,756.56, 20,644.86 and 4,992.18

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Solution

The fourth proportional to 13,756.56, 20,644.86 and 4,992.18 is: 7,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.56 : 20,644.86 = 4,992.18 : x
  2. Step 2: Convert to fraction form
    13,756.56/20,644.86 = 4,992.18/x
  3. Step 3: Cross multiply
    13,756.56x = 20,644.86 × 4,992.18
  4. Step 4: Simplify right side
    13,756.56x = 103,062,857.19
  5. Step 5: Solve for x
    x = 103,062,857.19/13,756.56
  6. Step 6: Final answer
    x = 7,491.91

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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.