Home / 20,054.16-27,666.09-12,498.48

Finding the Fourth Proportional to 20,054.16, 27,666.09 and 12,498.48

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Solution

The fourth proportional to 20,054.16, 27,666.09 and 12,498.48 is: 17,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.16 : 27,666.09 = 12,498.48 : x
  2. Step 2: Convert to fraction form
    20,054.16/27,666.09 = 12,498.48/x
  3. Step 3: Cross multiply
    20,054.16x = 27,666.09 × 12,498.48
  4. Step 4: Simplify right side
    20,054.16x = 345,784,072.54
  5. Step 5: Solve for x
    x = 345,784,072.54/20,054.16
  6. Step 6: Final answer
    x = 17,242.51

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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.