Home / 19,927.90-27,500.68-10,975.71

Finding the Fourth Proportional to 19,927.90, 27,500.68 and 10,975.71

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Solution

The fourth proportional to 19,927.90, 27,500.68 and 10,975.71 is: 15,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.90 : 27,500.68 = 10,975.71 : x
  2. Step 2: Convert to fraction form
    19,927.90/27,500.68 = 10,975.71/x
  3. Step 3: Cross multiply
    19,927.90x = 27,500.68 × 10,975.71
  4. Step 4: Simplify right side
    19,927.90x = 301,839,488.48
  5. Step 5: Solve for x
    x = 301,839,488.48/19,927.90
  6. Step 6: Final answer
    x = 15,146.58

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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.