Home / 19,351.64-26,720.36-14,868.28

Finding the Fourth Proportional to 19,351.64, 26,720.36 and 14,868.28

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Solution

The fourth proportional to 19,351.64, 26,720.36 and 14,868.28 is: 20,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.64 : 26,720.36 = 14,868.28 : x
  2. Step 2: Convert to fraction form
    19,351.64/26,720.36 = 14,868.28/x
  3. Step 3: Cross multiply
    19,351.64x = 26,720.36 × 14,868.28
  4. Step 4: Simplify right side
    19,351.64x = 397,285,794.18
  5. Step 5: Solve for x
    x = 397,285,794.18/19,351.64
  6. Step 6: Final answer
    x = 20,529.83

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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.