Home / 15,020.44-20,728.24-9,052.36

Finding the Fourth Proportional to 15,020.44, 20,728.24 and 9,052.36

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Solution

The fourth proportional to 15,020.44, 20,728.24 and 9,052.36 is: 12,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.44 : 20,728.24 = 9,052.36 : x
  2. Step 2: Convert to fraction form
    15,020.44/20,728.24 = 9,052.36/x
  3. Step 3: Cross multiply
    15,020.44x = 20,728.24 × 9,052.36
  4. Step 4: Simplify right side
    15,020.44x = 187,639,416.19
  5. Step 5: Solve for x
    x = 187,639,416.19/15,020.44
  6. Step 6: Final answer
    x = 12,492.27

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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.