Home / 18,932.10-26,124.39-10,976.82

Finding the Fourth Proportional to 18,932.10, 26,124.39 and 10,976.82

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Solution

The fourth proportional to 18,932.10, 26,124.39 and 10,976.82 is: 15,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.10 : 26,124.39 = 10,976.82 : x
  2. Step 2: Convert to fraction form
    18,932.10/26,124.39 = 10,976.82/x
  3. Step 3: Cross multiply
    18,932.10x = 26,124.39 × 10,976.82
  4. Step 4: Simplify right side
    18,932.10x = 286,762,726.64
  5. Step 5: Solve for x
    x = 286,762,726.64/18,932.10
  6. Step 6: Final answer
    x = 15,146.91

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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.