Home / 14,871.12-20,523.23-8,497.57

Finding the Fourth Proportional to 14,871.12, 20,523.23 and 8,497.57

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Solution

The fourth proportional to 14,871.12, 20,523.23 and 8,497.57 is: 11,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.12 : 20,523.23 = 8,497.57 : x
  2. Step 2: Convert to fraction form
    14,871.12/20,523.23 = 8,497.57/x
  3. Step 3: Cross multiply
    14,871.12x = 20,523.23 × 8,497.57
  4. Step 4: Simplify right side
    14,871.12x = 174,397,553.49
  5. Step 5: Solve for x
    x = 174,397,553.49/14,871.12
  6. Step 6: Final answer
    x = 11,727.26

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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.