Home / 19,899.54-27,460.69-11,723.13

Finding the Fourth Proportional to 19,899.54, 27,460.69 and 11,723.13

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Solution

The fourth proportional to 19,899.54, 27,460.69 and 11,723.13 is: 16,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.54 : 27,460.69 = 11,723.13 : x
  2. Step 2: Convert to fraction form
    19,899.54/27,460.69 = 11,723.13/x
  3. Step 3: Cross multiply
    19,899.54x = 27,460.69 × 11,723.13
  4. Step 4: Simplify right side
    19,899.54x = 321,925,209.45
  5. Step 5: Solve for x
    x = 321,925,209.45/19,899.54
  6. Step 6: Final answer
    x = 16,177.52

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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.