Home / 14,468.32-19,968.12-8,180.56

Finding the Fourth Proportional to 14,468.32, 19,968.12 and 8,180.56

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Solution

The fourth proportional to 14,468.32, 19,968.12 and 8,180.56 is: 11,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.32 : 19,968.12 = 8,180.56 : x
  2. Step 2: Convert to fraction form
    14,468.32/19,968.12 = 8,180.56/x
  3. Step 3: Cross multiply
    14,468.32x = 19,968.12 × 8,180.56
  4. Step 4: Simplify right side
    14,468.32x = 163,350,403.75
  5. Step 5: Solve for x
    x = 163,350,403.75/14,468.32
  6. Step 6: Final answer
    x = 11,290.21

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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.