Home / 14,723.51-20,318.14-8,009.30

Finding the Fourth Proportional to 14,723.51, 20,318.14 and 8,009.30

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Solution

The fourth proportional to 14,723.51, 20,318.14 and 8,009.30 is: 11,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.51 : 20,318.14 = 8,009.30 : x
  2. Step 2: Convert to fraction form
    14,723.51/20,318.14 = 8,009.30/x
  3. Step 3: Cross multiply
    14,723.51x = 20,318.14 × 8,009.30
  4. Step 4: Simplify right side
    14,723.51x = 162,734,025.22
  5. Step 5: Solve for x
    x = 162,734,025.22/14,723.51
  6. Step 6: Final answer
    x = 11,052.67

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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.