Home / 13,925.44-20,887.84-3,537.20

Finding the Fourth Proportional to 13,925.44, 20,887.84 and 3,537.20

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Solution

The fourth proportional to 13,925.44, 20,887.84 and 3,537.20 is: 5,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.44 : 20,887.84 = 3,537.20 : x
  2. Step 2: Convert to fraction form
    13,925.44/20,887.84 = 3,537.20/x
  3. Step 3: Cross multiply
    13,925.44x = 20,887.84 × 3,537.20
  4. Step 4: Simplify right side
    13,925.44x = 73,884,467.65
  5. Step 5: Solve for x
    x = 73,884,467.65/13,925.44
  6. Step 6: Final answer
    x = 5,305.72

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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.