Home / 22,628.58-33,918.23-19,331.69

Finding the Fourth Proportional to 22,628.58, 33,918.23 and 19,331.69

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Solution

The fourth proportional to 22,628.58, 33,918.23 and 19,331.69 is: 28,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.58 : 33,918.23 = 19,331.69 : x
  2. Step 2: Convert to fraction form
    22,628.58/33,918.23 = 19,331.69/x
  3. Step 3: Cross multiply
    22,628.58x = 33,918.23 × 19,331.69
  4. Step 4: Simplify right side
    22,628.58x = 655,696,441.46
  5. Step 5: Solve for x
    x = 655,696,441.46/22,628.58
  6. Step 6: Final answer
    x = 28,976.47

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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.