Home / 19,552.12-26,975.70-11,990.68

Finding the Fourth Proportional to 19,552.12, 26,975.70 and 11,990.68

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Solution

The fourth proportional to 19,552.12, 26,975.70 and 11,990.68 is: 16,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.12 : 26,975.70 = 11,990.68 : x
  2. Step 2: Convert to fraction form
    19,552.12/26,975.70 = 11,990.68/x
  3. Step 3: Cross multiply
    19,552.12x = 26,975.70 × 11,990.68
  4. Step 4: Simplify right side
    19,552.12x = 323,456,986.48
  5. Step 5: Solve for x
    x = 323,456,986.48/19,552.12
  6. Step 6: Final answer
    x = 16,543.32

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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.