Home / 14,807.46-20,433.68-8,761.62

Finding the Fourth Proportional to 14,807.46, 20,433.68 and 8,761.62

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Solution

The fourth proportional to 14,807.46, 20,433.68 and 8,761.62 is: 12,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.46 : 20,433.68 = 8,761.62 : x
  2. Step 2: Convert to fraction form
    14,807.46/20,433.68 = 8,761.62/x
  3. Step 3: Cross multiply
    14,807.46x = 20,433.68 × 8,761.62
  4. Step 4: Simplify right side
    14,807.46x = 179,032,139.36
  5. Step 5: Solve for x
    x = 179,032,139.36/14,807.46
  6. Step 6: Final answer
    x = 12,090.67

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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.