Home / 20,101.04-27,741.12-11,718.08

Finding the Fourth Proportional to 20,101.04, 27,741.12 and 11,718.08

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Solution

The fourth proportional to 20,101.04, 27,741.12 and 11,718.08 is: 16,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.04 : 27,741.12 = 11,718.08 : x
  2. Step 2: Convert to fraction form
    20,101.04/27,741.12 = 11,718.08/x
  3. Step 3: Cross multiply
    20,101.04x = 27,741.12 × 11,718.08
  4. Step 4: Simplify right side
    20,101.04x = 325,072,663.45
  5. Step 5: Solve for x
    x = 325,072,663.45/20,101.04
  6. Step 6: Final answer
    x = 16,171.93

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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.