Home / 14,670.93-20,245.32-7,956.44

Finding the Fourth Proportional to 14,670.93, 20,245.32 and 7,956.44

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Solution

The fourth proportional to 14,670.93, 20,245.32 and 7,956.44 is: 10,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.93 : 20,245.32 = 7,956.44 : x
  2. Step 2: Convert to fraction form
    14,670.93/20,245.32 = 7,956.44/x
  3. Step 3: Cross multiply
    14,670.93x = 20,245.32 × 7,956.44
  4. Step 4: Simplify right side
    14,670.93x = 161,080,572.63
  5. Step 5: Solve for x
    x = 161,080,572.63/14,670.93
  6. Step 6: Final answer
    x = 10,979.57

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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.