Home / 14,670.98-20,245.81-7,956.75

Finding the Fourth Proportional to 14,670.98, 20,245.81 and 7,956.75

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Solution

The fourth proportional to 14,670.98, 20,245.81 and 7,956.75 is: 10,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.98 : 20,245.81 = 7,956.75 : x
  2. Step 2: Convert to fraction form
    14,670.98/20,245.81 = 7,956.75/x
  3. Step 3: Cross multiply
    14,670.98x = 20,245.81 × 7,956.75
  4. Step 4: Simplify right side
    14,670.98x = 161,090,848.72
  5. Step 5: Solve for x
    x = 161,090,848.72/14,670.98
  6. Step 6: Final answer
    x = 10,980.24

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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.