Home / 13,397.72-20,080.46-4,957.49

Finding the Fourth Proportional to 13,397.72, 20,080.46 and 4,957.49

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Solution

The fourth proportional to 13,397.72, 20,080.46 and 4,957.49 is: 7,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.72 : 20,080.46 = 4,957.49 : x
  2. Step 2: Convert to fraction form
    13,397.72/20,080.46 = 4,957.49/x
  3. Step 3: Cross multiply
    13,397.72x = 20,080.46 × 4,957.49
  4. Step 4: Simplify right side
    13,397.72x = 99,548,679.65
  5. Step 5: Solve for x
    x = 99,548,679.65/13,397.72
  6. Step 6: Final answer
    x = 7,430.27

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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.