Home / 14,508.05-20,019.32-8,840.73

Finding the Fourth Proportional to 14,508.05, 20,019.32 and 8,840.73

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Solution

The fourth proportional to 14,508.05, 20,019.32 and 8,840.73 is: 12,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.05 : 20,019.32 = 8,840.73 : x
  2. Step 2: Convert to fraction form
    14,508.05/20,019.32 = 8,840.73/x
  3. Step 3: Cross multiply
    14,508.05x = 20,019.32 × 8,840.73
  4. Step 4: Simplify right side
    14,508.05x = 176,985,358.70
  5. Step 5: Solve for x
    x = 176,985,358.70/14,508.05
  6. Step 6: Final answer
    x = 12,199.12

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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.