Home / 17,929.15-26,901.08-7,928.62

Finding the Fourth Proportional to 17,929.15, 26,901.08 and 7,928.62

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Solution

The fourth proportional to 17,929.15, 26,901.08 and 7,928.62 is: 11,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.15 : 26,901.08 = 7,928.62 : x
  2. Step 2: Convert to fraction form
    17,929.15/26,901.08 = 7,928.62/x
  3. Step 3: Cross multiply
    17,929.15x = 26,901.08 × 7,928.62
  4. Step 4: Simplify right side
    17,929.15x = 213,288,440.91
  5. Step 5: Solve for x
    x = 213,288,440.91/17,929.15
  6. Step 6: Final answer
    x = 11,896.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.