Home / 20,176.99-27,841.25-11,224.60

Finding the Fourth Proportional to 20,176.99, 27,841.25 and 11,224.60

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Solution

The fourth proportional to 20,176.99, 27,841.25 and 11,224.60 is: 15,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.99 : 27,841.25 = 11,224.60 : x
  2. Step 2: Convert to fraction form
    20,176.99/27,841.25 = 11,224.60/x
  3. Step 3: Cross multiply
    20,176.99x = 27,841.25 × 11,224.60
  4. Step 4: Simplify right side
    20,176.99x = 312,506,838.63
  5. Step 5: Solve for x
    x = 312,506,838.63/20,176.99
  6. Step 6: Final answer
    x = 15,488.28

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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.