Home / 13,534.82-18,677.99-7,566.45

Finding the Fourth Proportional to 13,534.82, 18,677.99 and 7,566.45

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Solution

The fourth proportional to 13,534.82, 18,677.99 and 7,566.45 is: 10,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.82 : 18,677.99 = 7,566.45 : x
  2. Step 2: Convert to fraction form
    13,534.82/18,677.99 = 7,566.45/x
  3. Step 3: Cross multiply
    13,534.82x = 18,677.99 × 7,566.45
  4. Step 4: Simplify right side
    13,534.82x = 141,326,096.35
  5. Step 5: Solve for x
    x = 141,326,096.35/13,534.82
  6. Step 6: Final answer
    x = 10,441.67

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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.