Home / 14,390.01-19,714.38-13,850.69

Finding the Fourth Proportional to 14,390.01, 19,714.38 and 13,850.69

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Solution

The fourth proportional to 14,390.01, 19,714.38 and 13,850.69 is: 18,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.01 : 19,714.38 = 13,850.69 : x
  2. Step 2: Convert to fraction form
    14,390.01/19,714.38 = 13,850.69/x
  3. Step 3: Cross multiply
    14,390.01x = 19,714.38 × 13,850.69
  4. Step 4: Simplify right side
    14,390.01x = 273,057,830.18
  5. Step 5: Solve for x
    x = 273,057,830.18/14,390.01
  6. Step 6: Final answer
    x = 18,975.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.