Home / 13,566.15-20,317.64-13,192.47

Finding the Fourth Proportional to 13,566.15, 20,317.64 and 13,192.47

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Solution

The fourth proportional to 13,566.15, 20,317.64 and 13,192.47 is: 19,757.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.15 : 20,317.64 = 13,192.47 : x
  2. Step 2: Convert to fraction form
    13,566.15/20,317.64 = 13,192.47/x
  3. Step 3: Cross multiply
    13,566.15x = 20,317.64 × 13,192.47
  4. Step 4: Simplify right side
    13,566.15x = 268,039,790.21
  5. Step 5: Solve for x
    x = 268,039,790.21/13,566.15
  6. Step 6: Final answer
    x = 19,757.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.