Home / 14,606.96-20,157.57-8,319.35

Finding the Fourth Proportional to 14,606.96, 20,157.57 and 8,319.35

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Solution

The fourth proportional to 14,606.96, 20,157.57 and 8,319.35 is: 11,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.96 : 20,157.57 = 8,319.35 : x
  2. Step 2: Convert to fraction form
    14,606.96/20,157.57 = 8,319.35/x
  3. Step 3: Cross multiply
    14,606.96x = 20,157.57 × 8,319.35
  4. Step 4: Simplify right side
    14,606.96x = 167,697,879.98
  5. Step 5: Solve for x
    x = 167,697,879.98/14,606.96
  6. Step 6: Final answer
    x = 11,480.68

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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.