Home / 19,487.25-29,243.84-7,175.25

Finding the Fourth Proportional to 19,487.25, 29,243.84 and 7,175.25

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Solution

The fourth proportional to 19,487.25, 29,243.84 and 7,175.25 is: 10,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.25 : 29,243.84 = 7,175.25 : x
  2. Step 2: Convert to fraction form
    19,487.25/29,243.84 = 7,175.25/x
  3. Step 3: Cross multiply
    19,487.25x = 29,243.84 × 7,175.25
  4. Step 4: Simplify right side
    19,487.25x = 209,831,827.08
  5. Step 5: Solve for x
    x = 209,831,827.08/19,487.25
  6. Step 6: Final answer
    x = 10,767.65

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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.