Home / 13,359.08-18,441.45-7,983.43

Finding the Fourth Proportional to 13,359.08, 18,441.45 and 7,983.43

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Solution

The fourth proportional to 13,359.08, 18,441.45 and 7,983.43 is: 11,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.08 : 18,441.45 = 7,983.43 : x
  2. Step 2: Convert to fraction form
    13,359.08/18,441.45 = 7,983.43/x
  3. Step 3: Cross multiply
    13,359.08x = 18,441.45 × 7,983.43
  4. Step 4: Simplify right side
    13,359.08x = 147,226,025.17
  5. Step 5: Solve for x
    x = 147,226,025.17/13,359.08
  6. Step 6: Final answer
    x = 11,020.67

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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.