Home / 14,958.32-20,643.38-8,243.93

Finding the Fourth Proportional to 14,958.32, 20,643.38 and 8,243.93

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Solution

The fourth proportional to 14,958.32, 20,643.38 and 8,243.93 is: 11,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.32 : 20,643.38 = 8,243.93 : x
  2. Step 2: Convert to fraction form
    14,958.32/20,643.38 = 8,243.93/x
  3. Step 3: Cross multiply
    14,958.32x = 20,643.38 × 8,243.93
  4. Step 4: Simplify right side
    14,958.32x = 170,182,435.25
  5. Step 5: Solve for x
    x = 170,182,435.25/14,958.32
  6. Step 6: Final answer
    x = 11,377.11

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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.