Home / 20,124.99-30,158.33-11,341.22

Finding the Fourth Proportional to 20,124.99, 30,158.33 and 11,341.22

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Solution

The fourth proportional to 20,124.99, 30,158.33 and 11,341.22 is: 16,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.99 : 30,158.33 = 11,341.22 : x
  2. Step 2: Convert to fraction form
    20,124.99/30,158.33 = 11,341.22/x
  3. Step 3: Cross multiply
    20,124.99x = 30,158.33 × 11,341.22
  4. Step 4: Simplify right side
    20,124.99x = 342,032,047.86
  5. Step 5: Solve for x
    x = 342,032,047.86/20,124.99
  6. Step 6: Final answer
    x = 16,995.39

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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.