Home / 22,220.19-33,342.59-13,313.63

Finding the Fourth Proportional to 22,220.19, 33,342.59 and 13,313.63

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Solution

The fourth proportional to 22,220.19, 33,342.59 and 13,313.63 is: 19,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.19 : 33,342.59 = 13,313.63 : x
  2. Step 2: Convert to fraction form
    22,220.19/33,342.59 = 13,313.63/x
  3. Step 3: Cross multiply
    22,220.19x = 33,342.59 × 13,313.63
  4. Step 4: Simplify right side
    22,220.19x = 443,910,923.29
  5. Step 5: Solve for x
    x = 443,910,923.29/22,220.19
  6. Step 6: Final answer
    x = 19,977.82

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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.