Home / 16,458.12-22,712.22-9,384.36

Finding the Fourth Proportional to 16,458.12, 22,712.22 and 9,384.36

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Solution

The fourth proportional to 16,458.12, 22,712.22 and 9,384.36 is: 12,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.12 : 22,712.22 = 9,384.36 : x
  2. Step 2: Convert to fraction form
    16,458.12/22,712.22 = 9,384.36/x
  3. Step 3: Cross multiply
    16,458.12x = 22,712.22 × 9,384.36
  4. Step 4: Simplify right side
    16,458.12x = 213,139,648.88
  5. Step 5: Solve for x
    x = 213,139,648.88/16,458.12
  6. Step 6: Final answer
    x = 12,950.43

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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.