Home / 13,151.23-19,723.53-6,124.58

Finding the Fourth Proportional to 13,151.23, 19,723.53 and 6,124.58

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Solution

The fourth proportional to 13,151.23, 19,723.53 and 6,124.58 is: 9,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.23 : 19,723.53 = 6,124.58 : x
  2. Step 2: Convert to fraction form
    13,151.23/19,723.53 = 6,124.58/x
  3. Step 3: Cross multiply
    13,151.23x = 19,723.53 × 6,124.58
  4. Step 4: Simplify right side
    13,151.23x = 120,798,335.68
  5. Step 5: Solve for x
    x = 120,798,335.68/13,151.23
  6. Step 6: Final answer
    x = 9,185.33

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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.