Home / 22,291.20-33,436.80-7,495.20

Finding the Fourth Proportional to 22,291.20, 33,436.80 and 7,495.20

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Solution

The fourth proportional to 22,291.20, 33,436.80 and 7,495.20 is: 11,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.20 : 33,436.80 = 7,495.20 : x
  2. Step 2: Convert to fraction form
    22,291.20/33,436.80 = 7,495.20/x
  3. Step 3: Cross multiply
    22,291.20x = 33,436.80 × 7,495.20
  4. Step 4: Simplify right side
    22,291.20x = 250,615,503.36
  5. Step 5: Solve for x
    x = 250,615,503.36/22,291.20
  6. Step 6: Final answer
    x = 11,242.80

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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.