Home / 18,200.96-25,118.40-10,243.52

Finding the Fourth Proportional to 18,200.96, 25,118.40 and 10,243.52

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Solution

The fourth proportional to 18,200.96, 25,118.40 and 10,243.52 is: 14,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.96 : 25,118.40 = 10,243.52 : x
  2. Step 2: Convert to fraction form
    18,200.96/25,118.40 = 10,243.52/x
  3. Step 3: Cross multiply
    18,200.96x = 25,118.40 × 10,243.52
  4. Step 4: Simplify right side
    18,200.96x = 257,300,832.77
  5. Step 5: Solve for x
    x = 257,300,832.77/18,200.96
  6. Step 6: Final answer
    x = 14,136.66

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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.