Home / 19,697.56-27,186.14-11,740.30

Finding the Fourth Proportional to 19,697.56, 27,186.14 and 11,740.30

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Solution

The fourth proportional to 19,697.56, 27,186.14 and 11,740.30 is: 16,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.56 : 27,186.14 = 11,740.30 : x
  2. Step 2: Convert to fraction form
    19,697.56/27,186.14 = 11,740.30/x
  3. Step 3: Cross multiply
    19,697.56x = 27,186.14 × 11,740.30
  4. Step 4: Simplify right side
    19,697.56x = 319,173,400.83
  5. Step 5: Solve for x
    x = 319,173,400.83/19,697.56
  6. Step 6: Final answer
    x = 16,203.70

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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.