Home / 18,205.92-25,124.19-10,248.21

Finding the Fourth Proportional to 18,205.92, 25,124.19 and 10,248.21

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Solution

The fourth proportional to 18,205.92, 25,124.19 and 10,248.21 is: 14,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.92 : 25,124.19 = 10,248.21 : x
  2. Step 2: Convert to fraction form
    18,205.92/25,124.19 = 10,248.21/x
  3. Step 3: Cross multiply
    18,205.92x = 25,124.19 × 10,248.21
  4. Step 4: Simplify right side
    18,205.92x = 257,477,975.20
  5. Step 5: Solve for x
    x = 257,477,975.20/18,205.92
  6. Step 6: Final answer
    x = 14,142.54

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Half scale
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Double scale
Find fourth proportional to 18,206.92, 25,125.57 and 10,249.21
Similar ratio
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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.