Home / 22,135.55-30,546.65-12,703.37

Finding the Fourth Proportional to 22,135.55, 30,546.65 and 12,703.37

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Solution

The fourth proportional to 22,135.55, 30,546.65 and 12,703.37 is: 17,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.55 : 30,546.65 = 12,703.37 : x
  2. Step 2: Convert to fraction form
    22,135.55/30,546.65 = 12,703.37/x
  3. Step 3: Cross multiply
    22,135.55x = 30,546.65 × 12,703.37
  4. Step 4: Simplify right side
    22,135.55x = 388,045,276.24
  5. Step 5: Solve for x
    x = 388,045,276.24/22,135.55
  6. Step 6: Final answer
    x = 17,530.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.