Home / 19,222.48-26,519.84-12,924.88

Finding the Fourth Proportional to 19,222.48, 26,519.84 and 12,924.88

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Solution

The fourth proportional to 19,222.48, 26,519.84 and 12,924.88 is: 17,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.48 : 26,519.84 = 12,924.88 : x
  2. Step 2: Convert to fraction form
    19,222.48/26,519.84 = 12,924.88/x
  3. Step 3: Cross multiply
    19,222.48x = 26,519.84 × 12,924.88
  4. Step 4: Simplify right side
    19,222.48x = 342,765,749.62
  5. Step 5: Solve for x
    x = 342,765,749.62/19,222.48
  6. Step 6: Final answer
    x = 17,831.51

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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.