Home / 26,582.04-39,863.70-7,857.09

Finding the Fourth Proportional to 26,582.04, 39,863.70 and 7,857.09

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Solution

The fourth proportional to 26,582.04, 39,863.70 and 7,857.09 is: 11,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,582.04 : 39,863.70 = 7,857.09 : x
  2. Step 2: Convert to fraction form
    26,582.04/39,863.70 = 7,857.09/x
  3. Step 3: Cross multiply
    26,582.04x = 39,863.70 × 7,857.09
  4. Step 4: Simplify right side
    26,582.04x = 313,212,678.63
  5. Step 5: Solve for x
    x = 313,212,678.63/26,582.04
  6. Step 6: Final answer
    x = 11,782.87

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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.