Home / 22,692.37-31,310.87-13,259.11

Finding the Fourth Proportional to 22,692.37, 31,310.87 and 13,259.11

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Solution

The fourth proportional to 22,692.37, 31,310.87 and 13,259.11 is: 18,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.37 : 31,310.87 = 13,259.11 : x
  2. Step 2: Convert to fraction form
    22,692.37/31,310.87 = 13,259.11/x
  3. Step 3: Cross multiply
    22,692.37x = 31,310.87 × 13,259.11
  4. Step 4: Simplify right side
    22,692.37x = 415,154,124.95
  5. Step 5: Solve for x
    x = 415,154,124.95/22,692.37
  6. Step 6: Final answer
    x = 18,294.88

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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.