Home / 19,184.64-26,476-11,631.64

Finding the Fourth Proportional to 19,184.64, 26,476 and 11,631.64

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Solution

The fourth proportional to 19,184.64, 26,476 and 11,631.64 is: 16,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.64 : 26,476 = 11,631.64 : x
  2. Step 2: Convert to fraction form
    19,184.64/26,476 = 11,631.64/x
  3. Step 3: Cross multiply
    19,184.64x = 26,476 × 11,631.64
  4. Step 4: Simplify right side
    19,184.64x = 307,959,300.64
  5. Step 5: Solve for x
    x = 307,959,300.64/19,184.64
  6. Step 6: Final answer
    x = 16,052.39

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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.