Home / 19,248.25-28,872.38-4,656.25

Finding the Fourth Proportional to 19,248.25, 28,872.38 and 4,656.25

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Solution

The fourth proportional to 19,248.25, 28,872.38 and 4,656.25 is: 6,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.25 : 28,872.38 = 4,656.25 : x
  2. Step 2: Convert to fraction form
    19,248.25/28,872.38 = 4,656.25/x
  3. Step 3: Cross multiply
    19,248.25x = 28,872.38 × 4,656.25
  4. Step 4: Simplify right side
    19,248.25x = 134,436,996.09
  5. Step 5: Solve for x
    x = 134,436,996.09/19,248.25
  6. Step 6: Final answer
    x = 6,984.38

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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.