Home / 19,431.32-26,816.46-10,934.24

Finding the Fourth Proportional to 19,431.32, 26,816.46 and 10,934.24

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Solution

The fourth proportional to 19,431.32, 26,816.46 and 10,934.24 is: 15,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.32 : 26,816.46 = 10,934.24 : x
  2. Step 2: Convert to fraction form
    19,431.32/26,816.46 = 10,934.24/x
  3. Step 3: Cross multiply
    19,431.32x = 26,816.46 × 10,934.24
  4. Step 4: Simplify right side
    19,431.32x = 293,217,609.59
  5. Step 5: Solve for x
    x = 293,217,609.59/19,431.32
  6. Step 6: Final answer
    x = 15,089.95

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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.