Home / 19,221.84-26,519.91-10,722.59

Finding the Fourth Proportional to 19,221.84, 26,519.91 and 10,722.59

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Solution

The fourth proportional to 19,221.84, 26,519.91 and 10,722.59 is: 14,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.84 : 26,519.91 = 10,722.59 : x
  2. Step 2: Convert to fraction form
    19,221.84/26,519.91 = 10,722.59/x
  3. Step 3: Cross multiply
    19,221.84x = 26,519.91 × 10,722.59
  4. Step 4: Simplify right side
    19,221.84x = 284,361,989.17
  5. Step 5: Solve for x
    x = 284,361,989.17/19,221.84
  6. Step 6: Final answer
    x = 14,793.69

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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.