Home / 19,467.52-26,840.58-12,742.48

Finding the Fourth Proportional to 19,467.52, 26,840.58 and 12,742.48

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Solution

The fourth proportional to 19,467.52, 26,840.58 and 12,742.48 is: 17,568.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.52 : 26,840.58 = 12,742.48 : x
  2. Step 2: Convert to fraction form
    19,467.52/26,840.58 = 12,742.48/x
  3. Step 3: Cross multiply
    19,467.52x = 26,840.58 × 12,742.48
  4. Step 4: Simplify right side
    19,467.52x = 342,015,553.84
  5. Step 5: Solve for x
    x = 342,015,553.84/19,467.52
  6. Step 6: Final answer
    x = 17,568.52

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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.