Home / 13,535.44-18,677.12-7,566.88

Finding the Fourth Proportional to 13,535.44, 18,677.12 and 7,566.88

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Solution

The fourth proportional to 13,535.44, 18,677.12 and 7,566.88 is: 10,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.44 : 18,677.12 = 7,566.88 : x
  2. Step 2: Convert to fraction form
    13,535.44/18,677.12 = 7,566.88/x
  3. Step 3: Cross multiply
    13,535.44x = 18,677.12 × 7,566.88
  4. Step 4: Simplify right side
    13,535.44x = 141,327,525.79
  5. Step 5: Solve for x
    x = 141,327,525.79/13,535.44
  6. Step 6: Final answer
    x = 10,441.30

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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.