Home / 19,866.53-27,416.30-10,914.61

Finding the Fourth Proportional to 19,866.53, 27,416.30 and 10,914.61

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Solution

The fourth proportional to 19,866.53, 27,416.30 and 10,914.61 is: 15,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.53 : 27,416.30 = 10,914.61 : x
  2. Step 2: Convert to fraction form
    19,866.53/27,416.30 = 10,914.61/x
  3. Step 3: Cross multiply
    19,866.53x = 27,416.30 × 10,914.61
  4. Step 4: Simplify right side
    19,866.53x = 299,238,222.14
  5. Step 5: Solve for x
    x = 299,238,222.14/19,866.53
  6. Step 6: Final answer
    x = 15,062.43

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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.