Home / 22,059.12-30,448.68-14,122.72

Finding the Fourth Proportional to 22,059.12, 30,448.68 and 14,122.72

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Solution

The fourth proportional to 22,059.12, 30,448.68 and 14,122.72 is: 19,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.12 : 30,448.68 = 14,122.72 : x
  2. Step 2: Convert to fraction form
    22,059.12/30,448.68 = 14,122.72/x
  3. Step 3: Cross multiply
    22,059.12x = 30,448.68 × 14,122.72
  4. Step 4: Simplify right side
    22,059.12x = 430,018,182.01
  5. Step 5: Solve for x
    x = 430,018,182.01/22,059.12
  6. Step 6: Final answer
    x = 19,493.90

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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.