Home / 18,669.67-25,764.68-10,713.31

Finding the Fourth Proportional to 18,669.67, 25,764.68 and 10,713.31

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Solution

The fourth proportional to 18,669.67, 25,764.68 and 10,713.31 is: 14,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.67 : 25,764.68 = 10,713.31 : x
  2. Step 2: Convert to fraction form
    18,669.67/25,764.68 = 10,713.31/x
  3. Step 3: Cross multiply
    18,669.67x = 25,764.68 × 10,713.31
  4. Step 4: Simplify right side
    18,669.67x = 276,024,950.32
  5. Step 5: Solve for x
    x = 276,024,950.32/18,669.67
  6. Step 6: Final answer
    x = 14,784.67

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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.