Home / 19,904.64-27,464.10-11,516.28

Finding the Fourth Proportional to 19,904.64, 27,464.10 and 11,516.28

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Solution

The fourth proportional to 19,904.64, 27,464.10 and 11,516.28 is: 15,889.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.64 : 27,464.10 = 11,516.28 : x
  2. Step 2: Convert to fraction form
    19,904.64/27,464.10 = 11,516.28/x
  3. Step 3: Cross multiply
    19,904.64x = 27,464.10 × 11,516.28
  4. Step 4: Simplify right side
    19,904.64x = 316,284,265.55
  5. Step 5: Solve for x
    x = 316,284,265.55/19,904.64
  6. Step 6: Final answer
    x = 15,889.98

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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.