Home / 22,028.61-30,402.63-14,496.78

Finding the Fourth Proportional to 22,028.61, 30,402.63 and 14,496.78

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Solution

The fourth proportional to 22,028.61, 30,402.63 and 14,496.78 is: 20,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.61 : 30,402.63 = 14,496.78 : x
  2. Step 2: Convert to fraction form
    22,028.61/30,402.63 = 14,496.78/x
  3. Step 3: Cross multiply
    22,028.61x = 30,402.63 × 14,496.78
  4. Step 4: Simplify right side
    22,028.61x = 440,740,238.53
  5. Step 5: Solve for x
    x = 440,740,238.53/22,028.61
  6. Step 6: Final answer
    x = 20,007.63

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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.