Home / 14,300.19-21,458.34-11,171.42

Finding the Fourth Proportional to 14,300.19, 21,458.34 and 11,171.42

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Solution

The fourth proportional to 14,300.19, 21,458.34 and 11,171.42 is: 16,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.19 : 21,458.34 = 11,171.42 : x
  2. Step 2: Convert to fraction form
    14,300.19/21,458.34 = 11,171.42/x
  3. Step 3: Cross multiply
    14,300.19x = 21,458.34 × 11,171.42
  4. Step 4: Simplify right side
    14,300.19x = 239,720,101.82
  5. Step 5: Solve for x
    x = 239,720,101.82/14,300.19
  6. Step 6: Final answer
    x = 16,763.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.