Home / 19,625.59-27,087.21-11,127.88

Finding the Fourth Proportional to 19,625.59, 27,087.21 and 11,127.88

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Solution

The fourth proportional to 19,625.59, 27,087.21 and 11,127.88 is: 15,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.59 : 27,087.21 = 11,127.88 : x
  2. Step 2: Convert to fraction form
    19,625.59/27,087.21 = 11,127.88/x
  3. Step 3: Cross multiply
    19,625.59x = 27,087.21 × 11,127.88
  4. Step 4: Simplify right side
    19,625.59x = 301,423,256.27
  5. Step 5: Solve for x
    x = 301,423,256.27/19,625.59
  6. Step 6: Final answer
    x = 15,358.68

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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.