Home / 19,699.68-27,185.52-10,747.18

Finding the Fourth Proportional to 19,699.68, 27,185.52 and 10,747.18

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Solution

The fourth proportional to 19,699.68, 27,185.52 and 10,747.18 is: 14,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.68 : 27,185.52 = 10,747.18 : x
  2. Step 2: Convert to fraction form
    19,699.68/27,185.52 = 10,747.18/x
  3. Step 3: Cross multiply
    19,699.68x = 27,185.52 × 10,747.18
  4. Step 4: Simplify right side
    19,699.68x = 292,167,676.83
  5. Step 5: Solve for x
    x = 292,167,676.83/19,699.68
  6. Step 6: Final answer
    x = 14,831.09

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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.