Home / 19,622.39-29,415.78-7,133.59

Finding the Fourth Proportional to 19,622.39, 29,415.78 and 7,133.59

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Solution

The fourth proportional to 19,622.39, 29,415.78 and 7,133.59 is: 10,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.39 : 29,415.78 = 7,133.59 : x
  2. Step 2: Convert to fraction form
    19,622.39/29,415.78 = 7,133.59/x
  3. Step 3: Cross multiply
    19,622.39x = 29,415.78 × 7,133.59
  4. Step 4: Simplify right side
    19,622.39x = 209,840,096.22
  5. Step 5: Solve for x
    x = 209,840,096.22/19,622.39
  6. Step 6: Final answer
    x = 10,693.91

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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.