Home / 20,009.46-27,613.10-10,934.92

Finding the Fourth Proportional to 20,009.46, 27,613.10 and 10,934.92

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Solution

The fourth proportional to 20,009.46, 27,613.10 and 10,934.92 is: 15,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.46 : 27,613.10 = 10,934.92 : x
  2. Step 2: Convert to fraction form
    20,009.46/27,613.10 = 10,934.92/x
  3. Step 3: Cross multiply
    20,009.46x = 27,613.10 × 10,934.92
  4. Step 4: Simplify right side
    20,009.46x = 301,947,039.45
  5. Step 5: Solve for x
    x = 301,947,039.45/20,009.46
  6. Step 6: Final answer
    x = 15,090.21

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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.