Home / 16,712.80-23,063.68-9,260.80

Finding the Fourth Proportional to 16,712.80, 23,063.68 and 9,260.80

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Solution

The fourth proportional to 16,712.80, 23,063.68 and 9,260.80 is: 12,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.80 : 23,063.68 = 9,260.80 : x
  2. Step 2: Convert to fraction form
    16,712.80/23,063.68 = 9,260.80/x
  3. Step 3: Cross multiply
    16,712.80x = 23,063.68 × 9,260.80
  4. Step 4: Simplify right side
    16,712.80x = 213,588,127.74
  5. Step 5: Solve for x
    x = 213,588,127.74/16,712.80
  6. Step 6: Final answer
    x = 12,779.91

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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.