Home / 19,810.10-27,336.39-11,424.98

Finding the Fourth Proportional to 19,810.10, 27,336.39 and 11,424.98

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Solution

The fourth proportional to 19,810.10, 27,336.39 and 11,424.98 is: 15,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.10 : 27,336.39 = 11,424.98 : x
  2. Step 2: Convert to fraction form
    19,810.10/27,336.39 = 11,424.98/x
  3. Step 3: Cross multiply
    19,810.10x = 27,336.39 × 11,424.98
  4. Step 4: Simplify right side
    19,810.10x = 312,317,734.52
  5. Step 5: Solve for x
    x = 312,317,734.52/19,810.10
  6. Step 6: Final answer
    x = 15,765.58

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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.