Home / 20,070.03-27,695.45-10,993.58

Finding the Fourth Proportional to 20,070.03, 27,695.45 and 10,993.58

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Solution

The fourth proportional to 20,070.03, 27,695.45 and 10,993.58 is: 15,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070.03 : 27,695.45 = 10,993.58 : x
  2. Step 2: Convert to fraction form
    20,070.03/27,695.45 = 10,993.58/x
  3. Step 3: Cross multiply
    20,070.03x = 27,695.45 × 10,993.58
  4. Step 4: Simplify right side
    20,070.03x = 304,472,241.93
  5. Step 5: Solve for x
    x = 304,472,241.93/20,070.03
  6. Step 6: Final answer
    x = 15,170.49

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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.