Home / 15,771.52-21,763.96-9,052.42

Finding the Fourth Proportional to 15,771.52, 21,763.96 and 9,052.42

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Solution

The fourth proportional to 15,771.52, 21,763.96 and 9,052.42 is: 12,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.52 : 21,763.96 = 9,052.42 : x
  2. Step 2: Convert to fraction form
    15,771.52/21,763.96 = 9,052.42/x
  3. Step 3: Cross multiply
    15,771.52x = 21,763.96 × 9,052.42
  4. Step 4: Simplify right side
    15,771.52x = 197,016,397.96
  5. Step 5: Solve for x
    x = 197,016,397.96/15,771.52
  6. Step 6: Final answer
    x = 12,491.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.