Home / 19,127.39-28,498.84-18,053.07

Finding the Fourth Proportional to 19,127.39, 28,498.84 and 18,053.07

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Solution

The fourth proportional to 19,127.39, 28,498.84 and 18,053.07 is: 26,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.39 : 28,498.84 = 18,053.07 : x
  2. Step 2: Convert to fraction form
    19,127.39/28,498.84 = 18,053.07/x
  3. Step 3: Cross multiply
    19,127.39x = 28,498.84 × 18,053.07
  4. Step 4: Simplify right side
    19,127.39x = 514,491,553.44
  5. Step 5: Solve for x
    x = 514,491,553.44/19,127.39
  6. Step 6: Final answer
    x = 26,898.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.