Home / 16,458.69-22,712.88-9,384.96

Finding the Fourth Proportional to 16,458.69, 22,712.88 and 9,384.96

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Solution

The fourth proportional to 16,458.69, 22,712.88 and 9,384.96 is: 12,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.69 : 22,712.88 = 9,384.96 : x
  2. Step 2: Convert to fraction form
    16,458.69/22,712.88 = 9,384.96/x
  3. Step 3: Cross multiply
    16,458.69x = 22,712.88 × 9,384.96
  4. Step 4: Simplify right side
    16,458.69x = 213,159,470.28
  5. Step 5: Solve for x
    x = 213,159,470.28/16,458.69
  6. Step 6: Final answer
    x = 12,951.18

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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.