Home / 19,130.64-26,392.68-11,682.96

Finding the Fourth Proportional to 19,130.64, 26,392.68 and 11,682.96

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Solution

The fourth proportional to 19,130.64, 26,392.68 and 11,682.96 is: 16,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.64 : 26,392.68 = 11,682.96 : x
  2. Step 2: Convert to fraction form
    19,130.64/26,392.68 = 11,682.96/x
  3. Step 3: Cross multiply
    19,130.64x = 26,392.68 × 11,682.96
  4. Step 4: Simplify right side
    19,130.64x = 308,344,624.73
  5. Step 5: Solve for x
    x = 308,344,624.73/19,130.64
  6. Step 6: Final answer
    x = 16,117.84

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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.