Home / 16,930.61-23,363.69-9,376.95

Finding the Fourth Proportional to 16,930.61, 23,363.69 and 9,376.95

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Solution

The fourth proportional to 16,930.61, 23,363.69 and 9,376.95 is: 12,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.61 : 23,363.69 = 9,376.95 : x
  2. Step 2: Convert to fraction form
    16,930.61/23,363.69 = 9,376.95/x
  3. Step 3: Cross multiply
    16,930.61x = 23,363.69 × 9,376.95
  4. Step 4: Simplify right side
    16,930.61x = 219,080,106.06
  5. Step 5: Solve for x
    x = 219,080,106.06/16,930.61
  6. Step 6: Final answer
    x = 12,939.89

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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.