Home / 14,670.68-20,245.48-7,956.28

Finding the Fourth Proportional to 14,670.68, 20,245.48 and 7,956.28

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Solution

The fourth proportional to 14,670.68, 20,245.48 and 7,956.28 is: 10,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.68 : 20,245.48 = 7,956.28 : x
  2. Step 2: Convert to fraction form
    14,670.68/20,245.48 = 7,956.28/x
  3. Step 3: Cross multiply
    14,670.68x = 20,245.48 × 7,956.28
  4. Step 4: Simplify right side
    14,670.68x = 161,078,707.61
  5. Step 5: Solve for x
    x = 161,078,707.61/14,670.68
  6. Step 6: Final answer
    x = 10,979.63

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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.