Home / 18,214.88-25,136.60-10,257.23

Finding the Fourth Proportional to 18,214.88, 25,136.60 and 10,257.23

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Solution

The fourth proportional to 18,214.88, 25,136.60 and 10,257.23 is: 14,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.88 : 25,136.60 = 10,257.23 : x
  2. Step 2: Convert to fraction form
    18,214.88/25,136.60 = 10,257.23/x
  3. Step 3: Cross multiply
    18,214.88x = 25,136.60 × 10,257.23
  4. Step 4: Simplify right side
    18,214.88x = 257,831,985.72
  5. Step 5: Solve for x
    x = 257,831,985.72/18,214.88
  6. Step 6: Final answer
    x = 14,155.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.