Home / 14,828.47-20,462.66-8,863.42

Finding the Fourth Proportional to 14,828.47, 20,462.66 and 8,863.42

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Solution

The fourth proportional to 14,828.47, 20,462.66 and 8,863.42 is: 12,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.47 : 20,462.66 = 8,863.42 : x
  2. Step 2: Convert to fraction form
    14,828.47/20,462.66 = 8,863.42/x
  3. Step 3: Cross multiply
    14,828.47x = 20,462.66 × 8,863.42
  4. Step 4: Simplify right side
    14,828.47x = 181,369,149.90
  5. Step 5: Solve for x
    x = 181,369,149.90/14,828.47
  6. Step 6: Final answer
    x = 12,231.15

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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.