Home / 16,458.06-22,712.16-9,384.30

Finding the Fourth Proportional to 16,458.06, 22,712.16 and 9,384.30

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Solution

The fourth proportional to 16,458.06, 22,712.16 and 9,384.30 is: 12,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.06 : 22,712.16 = 9,384.30 : x
  2. Step 2: Convert to fraction form
    16,458.06/22,712.16 = 9,384.30/x
  3. Step 3: Cross multiply
    16,458.06x = 22,712.16 × 9,384.30
  4. Step 4: Simplify right side
    16,458.06x = 213,137,723.09
  5. Step 5: Solve for x
    x = 213,137,723.09/16,458.06
  6. Step 6: Final answer
    x = 12,950.36

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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.