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Finding the Fourth Proportional to 15,024.18, 20,739.76 and 9,361.73

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Solution

The fourth proportional to 15,024.18, 20,739.76 and 9,361.73 is: 12,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.18 : 20,739.76 = 9,361.73 : x
  2. Step 2: Convert to fraction form
    15,024.18/20,739.76 = 9,361.73/x
  3. Step 3: Cross multiply
    15,024.18x = 20,739.76 × 9,361.73
  4. Step 4: Simplify right side
    15,024.18x = 194,159,986.58
  5. Step 5: Solve for x
    x = 194,159,986.58/15,024.18
  6. Step 6: Final answer
    x = 12,923.16

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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.