Home / 19,858.34-27,403.44-11,360.64

Finding the Fourth Proportional to 19,858.34, 27,403.44 and 11,360.64

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Solution

The fourth proportional to 19,858.34, 27,403.44 and 11,360.64 is: 15,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.34 : 27,403.44 = 11,360.64 : x
  2. Step 2: Convert to fraction form
    19,858.34/27,403.44 = 11,360.64/x
  3. Step 3: Cross multiply
    19,858.34x = 27,403.44 × 11,360.64
  4. Step 4: Simplify right side
    19,858.34x = 311,320,616.60
  5. Step 5: Solve for x
    x = 311,320,616.60/19,858.34
  6. Step 6: Final answer
    x = 15,677.07

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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.