Home / 19,241.20-28,886.10-10,363.60

Finding the Fourth Proportional to 19,241.20, 28,886.10 and 10,363.60

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Solution

The fourth proportional to 19,241.20, 28,886.10 and 10,363.60 is: 15,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.20 : 28,886.10 = 10,363.60 : x
  2. Step 2: Convert to fraction form
    19,241.20/28,886.10 = 10,363.60/x
  3. Step 3: Cross multiply
    19,241.20x = 28,886.10 × 10,363.60
  4. Step 4: Simplify right side
    19,241.20x = 299,363,985.96
  5. Step 5: Solve for x
    x = 299,363,985.96/19,241.20
  6. Step 6: Final answer
    x = 15,558.49

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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.