Home / 19,279.09-28,838.66-18,098.11

Finding the Fourth Proportional to 19,279.09, 28,838.66 and 18,098.11

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Solution

The fourth proportional to 19,279.09, 28,838.66 and 18,098.11 is: 27,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.09 : 28,838.66 = 18,098.11 : x
  2. Step 2: Convert to fraction form
    19,279.09/28,838.66 = 18,098.11/x
  3. Step 3: Cross multiply
    19,279.09x = 28,838.66 × 18,098.11
  4. Step 4: Simplify right side
    19,279.09x = 521,925,096.74
  5. Step 5: Solve for x
    x = 521,925,096.74/19,279.09
  6. Step 6: Final answer
    x = 27,072.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.