Home / 19,697.50-27,182.28-11,740.06

Finding the Fourth Proportional to 19,697.50, 27,182.28 and 11,740.06

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Solution

The fourth proportional to 19,697.50, 27,182.28 and 11,740.06 is: 16,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.50 : 27,182.28 = 11,740.06 : x
  2. Step 2: Convert to fraction form
    19,697.50/27,182.28 = 11,740.06/x
  3. Step 3: Cross multiply
    19,697.50x = 27,182.28 × 11,740.06
  4. Step 4: Simplify right side
    19,697.50x = 319,121,598.14
  5. Step 5: Solve for x
    x = 319,121,598.14/19,697.50
  6. Step 6: Final answer
    x = 16,201.12

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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.