Home / 22,415.40-33,613.37-7,620.34

Finding the Fourth Proportional to 22,415.40, 33,613.37 and 7,620.34

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Solution

The fourth proportional to 22,415.40, 33,613.37 and 7,620.34 is: 11,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.40 : 33,613.37 = 7,620.34 : x
  2. Step 2: Convert to fraction form
    22,415.40/33,613.37 = 7,620.34/x
  3. Step 3: Cross multiply
    22,415.40x = 33,613.37 × 7,620.34
  4. Step 4: Simplify right side
    22,415.40x = 256,145,307.95
  5. Step 5: Solve for x
    x = 256,145,307.95/22,415.40
  6. Step 6: Final answer
    x = 11,427.20

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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.