Home / 13,546.12-18,692.58-7,577.32

Finding the Fourth Proportional to 13,546.12, 18,692.58 and 7,577.32

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Solution

The fourth proportional to 13,546.12, 18,692.58 and 7,577.32 is: 10,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.12 : 18,692.58 = 7,577.32 : x
  2. Step 2: Convert to fraction form
    13,546.12/18,692.58 = 7,577.32/x
  3. Step 3: Cross multiply
    13,546.12x = 18,692.58 × 7,577.32
  4. Step 4: Simplify right side
    13,546.12x = 141,639,660.29
  5. Step 5: Solve for x
    x = 141,639,660.29/13,546.12
  6. Step 6: Final answer
    x = 10,456.11

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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.