Home / 22,681.19-33,980.97-21,346.99

Finding the Fourth Proportional to 22,681.19, 33,980.97 and 21,346.99

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Solution

The fourth proportional to 22,681.19, 33,980.97 and 21,346.99 is: 31,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.19 : 33,980.97 = 21,346.99 : x
  2. Step 2: Convert to fraction form
    22,681.19/33,980.97 = 21,346.99/x
  3. Step 3: Cross multiply
    22,681.19x = 33,980.97 × 21,346.99
  4. Step 4: Simplify right side
    22,681.19x = 725,391,426.78
  5. Step 5: Solve for x
    x = 725,391,426.78/22,681.19
  6. Step 6: Final answer
    x = 31,982.07

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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.