Home / 19,826.58-27,358.74-11,868.63

Finding the Fourth Proportional to 19,826.58, 27,358.74 and 11,868.63

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Solution

The fourth proportional to 19,826.58, 27,358.74 and 11,868.63 is: 16,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.58 : 27,358.74 = 11,868.63 : x
  2. Step 2: Convert to fraction form
    19,826.58/27,358.74 = 11,868.63/x
  3. Step 3: Cross multiply
    19,826.58x = 27,358.74 × 11,868.63
  4. Step 4: Simplify right side
    19,826.58x = 324,710,762.33
  5. Step 5: Solve for x
    x = 324,710,762.33/19,826.58
  6. Step 6: Final answer
    x = 16,377.55

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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.