Home / 15,727.64-21,704.73-9,014.56

Finding the Fourth Proportional to 15,727.64, 21,704.73 and 9,014.56

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Solution

The fourth proportional to 15,727.64, 21,704.73 and 9,014.56 is: 12,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.64 : 21,704.73 = 9,014.56 : x
  2. Step 2: Convert to fraction form
    15,727.64/21,704.73 = 9,014.56/x
  3. Step 3: Cross multiply
    15,727.64x = 21,704.73 × 9,014.56
  4. Step 4: Simplify right side
    15,727.64x = 195,658,482.35
  5. Step 5: Solve for x
    x = 195,658,482.35/15,727.64
  6. Step 6: Final answer
    x = 12,440.43

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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.