Home / 19,904.16-27,467.64-11,406.32

Finding the Fourth Proportional to 19,904.16, 27,467.64 and 11,406.32

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Solution

The fourth proportional to 19,904.16, 27,467.64 and 11,406.32 is: 15,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.16 : 27,467.64 = 11,406.32 : x
  2. Step 2: Convert to fraction form
    19,904.16/27,467.64 = 11,406.32/x
  3. Step 3: Cross multiply
    19,904.16x = 27,467.64 × 11,406.32
  4. Step 4: Simplify right side
    19,904.16x = 313,304,691.48
  5. Step 5: Solve for x
    x = 313,304,691.48/19,904.16
  6. Step 6: Final answer
    x = 15,740.66

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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.