Home / 20,057.67-27,670.87-12,095.47

Finding the Fourth Proportional to 20,057.67, 27,670.87 and 12,095.47

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Solution

The fourth proportional to 20,057.67, 27,670.87 and 12,095.47 is: 16,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.67 : 27,670.87 = 12,095.47 : x
  2. Step 2: Convert to fraction form
    20,057.67/27,670.87 = 12,095.47/x
  3. Step 3: Cross multiply
    20,057.67x = 27,670.87 × 12,095.47
  4. Step 4: Simplify right side
    20,057.67x = 334,692,177.96
  5. Step 5: Solve for x
    x = 334,692,177.96/20,057.67
  6. Step 6: Final answer
    x = 16,686.49

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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.