Home / 22,220.96-30,650.40-14,250.56

Finding the Fourth Proportional to 22,220.96, 30,650.40 and 14,250.56

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Solution

The fourth proportional to 22,220.96, 30,650.40 and 14,250.56 is: 19,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.96 : 30,650.40 = 14,250.56 : x
  2. Step 2: Convert to fraction form
    22,220.96/30,650.40 = 14,250.56/x
  3. Step 3: Cross multiply
    22,220.96x = 30,650.40 × 14,250.56
  4. Step 4: Simplify right side
    22,220.96x = 436,785,210.97
  5. Step 5: Solve for x
    x = 436,785,210.97/22,220.96
  6. Step 6: Final answer
    x = 19,656.46

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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.