Home / 14,958.45-20,642.80-8,244.32

Finding the Fourth Proportional to 14,958.45, 20,642.80 and 8,244.32

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Solution

The fourth proportional to 14,958.45, 20,642.80 and 8,244.32 is: 11,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.45 : 20,642.80 = 8,244.32 : x
  2. Step 2: Convert to fraction form
    14,958.45/20,642.80 = 8,244.32/x
  3. Step 3: Cross multiply
    14,958.45x = 20,642.80 × 8,244.32
  4. Step 4: Simplify right side
    14,958.45x = 170,185,848.90
  5. Step 5: Solve for x
    x = 170,185,848.90/14,958.45
  6. Step 6: Final answer
    x = 11,377.24

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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.