Home / 14,617.22-20,173.32-8,955.72

Finding the Fourth Proportional to 14,617.22, 20,173.32 and 8,955.72

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Solution

The fourth proportional to 14,617.22, 20,173.32 and 8,955.72 is: 12,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.22 : 20,173.32 = 8,955.72 : x
  2. Step 2: Convert to fraction form
    14,617.22/20,173.32 = 8,955.72/x
  3. Step 3: Cross multiply
    14,617.22x = 20,173.32 × 8,955.72
  4. Step 4: Simplify right side
    14,617.22x = 180,666,605.39
  5. Step 5: Solve for x
    x = 180,666,605.39/14,617.22
  6. Step 6: Final answer
    x = 12,359.85

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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.