Home / 13,798.86-20,696.31-4,437.64

Finding the Fourth Proportional to 13,798.86, 20,696.31 and 4,437.64

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Solution

The fourth proportional to 13,798.86, 20,696.31 and 4,437.64 is: 6,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.86 : 20,696.31 = 4,437.64 : x
  2. Step 2: Convert to fraction form
    13,798.86/20,696.31 = 4,437.64/x
  3. Step 3: Cross multiply
    13,798.86x = 20,696.31 × 4,437.64
  4. Step 4: Simplify right side
    13,798.86x = 91,842,682.56
  5. Step 5: Solve for x
    x = 91,842,682.56/13,798.86
  6. Step 6: Final answer
    x = 6,655.82

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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.