Home / 19,892.32-27,454.08-11,509.36

Finding the Fourth Proportional to 19,892.32, 27,454.08 and 11,509.36

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Solution

The fourth proportional to 19,892.32, 27,454.08 and 11,509.36 is: 15,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.32 : 27,454.08 = 11,509.36 : x
  2. Step 2: Convert to fraction form
    19,892.32/27,454.08 = 11,509.36/x
  3. Step 3: Cross multiply
    19,892.32x = 27,454.08 × 11,509.36
  4. Step 4: Simplify right side
    19,892.32x = 315,978,890.19
  5. Step 5: Solve for x
    x = 315,978,890.19/19,892.32
  6. Step 6: Final answer
    x = 15,884.47

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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.