Home / 22,317.40-30,798.32-12,245.66

Finding the Fourth Proportional to 22,317.40, 30,798.32 and 12,245.66

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Solution

The fourth proportional to 22,317.40, 30,798.32 and 12,245.66 is: 16,899.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.40 : 30,798.32 = 12,245.66 : x
  2. Step 2: Convert to fraction form
    22,317.40/30,798.32 = 12,245.66/x
  3. Step 3: Cross multiply
    22,317.40x = 30,798.32 × 12,245.66
  4. Step 4: Simplify right side
    22,317.40x = 377,145,755.29
  5. Step 5: Solve for x
    x = 377,145,755.29/22,317.40
  6. Step 6: Final answer
    x = 16,899.18

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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.