Home / 28,695.90-43,052.37-13,714.20

Finding the Fourth Proportional to 28,695.90, 43,052.37 and 13,714.20

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Solution

The fourth proportional to 28,695.90, 43,052.37 and 13,714.20 is: 20,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.90 : 43,052.37 = 13,714.20 : x
  2. Step 2: Convert to fraction form
    28,695.90/43,052.37 = 13,714.20/x
  3. Step 3: Cross multiply
    28,695.90x = 43,052.37 × 13,714.20
  4. Step 4: Simplify right side
    28,695.90x = 590,428,812.65
  5. Step 5: Solve for x
    x = 590,428,812.65/28,695.90
  6. Step 6: Final answer
    x = 20,575.37

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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.