Home / 22,421.79-33,633.99-11,315.48

Finding the Fourth Proportional to 22,421.79, 33,633.99 and 11,315.48

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Solution

The fourth proportional to 22,421.79, 33,633.99 and 11,315.48 is: 16,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.79 : 33,633.99 = 11,315.48 : x
  2. Step 2: Convert to fraction form
    22,421.79/33,633.99 = 11,315.48/x
  3. Step 3: Cross multiply
    22,421.79x = 33,633.99 × 11,315.48
  4. Step 4: Simplify right side
    22,421.79x = 380,584,573.00
  5. Step 5: Solve for x
    x = 380,584,573.00/22,421.79
  6. Step 6: Final answer
    x = 16,973.87

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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.