Home / 14,670.87-20,245.73-7,956.66

Finding the Fourth Proportional to 14,670.87, 20,245.73 and 7,956.66

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Solution

The fourth proportional to 14,670.87, 20,245.73 and 7,956.66 is: 10,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.87 : 20,245.73 = 7,956.66 : x
  2. Step 2: Convert to fraction form
    14,670.87/20,245.73 = 7,956.66/x
  3. Step 3: Cross multiply
    14,670.87x = 20,245.73 × 7,956.66
  4. Step 4: Simplify right side
    14,670.87x = 161,088,350.28
  5. Step 5: Solve for x
    x = 161,088,350.28/14,670.87
  6. Step 6: Final answer
    x = 10,980.15

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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.