Home / 26,628.91-36,739.31-17,678.14

Finding the Fourth Proportional to 26,628.91, 36,739.31 and 17,678.14

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Solution

The fourth proportional to 26,628.91, 36,739.31 and 17,678.14 is: 24,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.91 : 36,739.31 = 17,678.14 : x
  2. Step 2: Convert to fraction form
    26,628.91/36,739.31 = 17,678.14/x
  3. Step 3: Cross multiply
    26,628.91x = 36,739.31 × 17,678.14
  4. Step 4: Simplify right side
    26,628.91x = 649,482,665.68
  5. Step 5: Solve for x
    x = 649,482,665.68/26,628.91
  6. Step 6: Final answer
    x = 24,390.13

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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.