Home / 19,618.48-27,084.66-12,923.56

Finding the Fourth Proportional to 19,618.48, 27,084.66 and 12,923.56

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Solution

The fourth proportional to 19,618.48, 27,084.66 and 12,923.56 is: 17,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.48 : 27,084.66 = 12,923.56 : x
  2. Step 2: Convert to fraction form
    19,618.48/27,084.66 = 12,923.56/x
  3. Step 3: Cross multiply
    19,618.48x = 27,084.66 × 12,923.56
  4. Step 4: Simplify right side
    19,618.48x = 350,030,228.59
  5. Step 5: Solve for x
    x = 350,030,228.59/19,618.48
  6. Step 6: Final answer
    x = 17,841.86

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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.