Home / 19,453.29-28,984.05-18,180.24

Finding the Fourth Proportional to 19,453.29, 28,984.05 and 18,180.24

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Solution

The fourth proportional to 19,453.29, 28,984.05 and 18,180.24 is: 27,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.29 : 28,984.05 = 18,180.24 : x
  2. Step 2: Convert to fraction form
    19,453.29/28,984.05 = 18,180.24/x
  3. Step 3: Cross multiply
    19,453.29x = 28,984.05 × 18,180.24
  4. Step 4: Simplify right side
    19,453.29x = 526,936,985.17
  5. Step 5: Solve for x
    x = 526,936,985.17/19,453.29
  6. Step 6: Final answer
    x = 27,087.29

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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.