Home / 22,389.40-33,605.70-11,308.60

Finding the Fourth Proportional to 22,389.40, 33,605.70 and 11,308.60

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Solution

The fourth proportional to 22,389.40, 33,605.70 and 11,308.60 is: 16,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.40 : 33,605.70 = 11,308.60 : x
  2. Step 2: Convert to fraction form
    22,389.40/33,605.70 = 11,308.60/x
  3. Step 3: Cross multiply
    22,389.40x = 33,605.70 × 11,308.60
  4. Step 4: Simplify right side
    22,389.40x = 380,033,419.02
  5. Step 5: Solve for x
    x = 380,033,419.02/22,389.40
  6. Step 6: Final answer
    x = 16,973.81

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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.