Home / 19,613.25-27,065.79-10,660.55

Finding the Fourth Proportional to 19,613.25, 27,065.79 and 10,660.55

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Solution

The fourth proportional to 19,613.25, 27,065.79 and 10,660.55 is: 14,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.25 : 27,065.79 = 10,660.55 : x
  2. Step 2: Convert to fraction form
    19,613.25/27,065.79 = 10,660.55/x
  3. Step 3: Cross multiply
    19,613.25x = 27,065.79 × 10,660.55
  4. Step 4: Simplify right side
    19,613.25x = 288,536,072.26
  5. Step 5: Solve for x
    x = 288,536,072.26/19,613.25
  6. Step 6: Final answer
    x = 14,711.28

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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.