Home / 19,918.36-27,487.02-11,534.68

Finding the Fourth Proportional to 19,918.36, 27,487.02 and 11,534.68

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Solution

The fourth proportional to 19,918.36, 27,487.02 and 11,534.68 is: 15,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.36 : 27,487.02 = 11,534.68 : x
  2. Step 2: Convert to fraction form
    19,918.36/27,487.02 = 11,534.68/x
  3. Step 3: Cross multiply
    19,918.36x = 27,487.02 × 11,534.68
  4. Step 4: Simplify right side
    19,918.36x = 317,053,979.85
  5. Step 5: Solve for x
    x = 317,053,979.85/19,918.36
  6. Step 6: Final answer
    x = 15,917.67

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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.