Home / 16,819.29-23,210.58-9,265.71

Finding the Fourth Proportional to 16,819.29, 23,210.58 and 9,265.71

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Solution

The fourth proportional to 16,819.29, 23,210.58 and 9,265.71 is: 12,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.29 : 23,210.58 = 9,265.71 : x
  2. Step 2: Convert to fraction form
    16,819.29/23,210.58 = 9,265.71/x
  3. Step 3: Cross multiply
    16,819.29x = 23,210.58 × 9,265.71
  4. Step 4: Simplify right side
    16,819.29x = 215,062,503.21
  5. Step 5: Solve for x
    x = 215,062,503.21/16,819.29
  6. Step 6: Final answer
    x = 12,786.66

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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.