Home / 19,866.88-27,417.08-10,914.80

Finding the Fourth Proportional to 19,866.88, 27,417.08 and 10,914.80

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Solution

The fourth proportional to 19,866.88, 27,417.08 and 10,914.80 is: 15,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.88 : 27,417.08 = 10,914.80 : x
  2. Step 2: Convert to fraction form
    19,866.88/27,417.08 = 10,914.80/x
  3. Step 3: Cross multiply
    19,866.88x = 27,417.08 × 10,914.80
  4. Step 4: Simplify right side
    19,866.88x = 299,251,944.78
  5. Step 5: Solve for x
    x = 299,251,944.78/19,866.88
  6. Step 6: Final answer
    x = 15,062.86

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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.