Home / 19,034.48-28,489.62-17,215.76

Finding the Fourth Proportional to 19,034.48, 28,489.62 and 17,215.76

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Solution

The fourth proportional to 19,034.48, 28,489.62 and 17,215.76 is: 25,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.48 : 28,489.62 = 17,215.76 : x
  2. Step 2: Convert to fraction form
    19,034.48/28,489.62 = 17,215.76/x
  3. Step 3: Cross multiply
    19,034.48x = 28,489.62 × 17,215.76
  4. Step 4: Simplify right side
    19,034.48x = 490,470,596.19
  5. Step 5: Solve for x
    x = 490,470,596.19/19,034.48
  6. Step 6: Final answer
    x = 25,767.48

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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.