Home / 21,358.98-29,473.32-14,650.35

Finding the Fourth Proportional to 21,358.98, 29,473.32 and 14,650.35

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Solution

The fourth proportional to 21,358.98, 29,473.32 and 14,650.35 is: 20,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.98 : 29,473.32 = 14,650.35 : x
  2. Step 2: Convert to fraction form
    21,358.98/29,473.32 = 14,650.35/x
  3. Step 3: Cross multiply
    21,358.98x = 29,473.32 × 14,650.35
  4. Step 4: Simplify right side
    21,358.98x = 431,794,453.66
  5. Step 5: Solve for x
    x = 431,794,453.66/21,358.98
  6. Step 6: Final answer
    x = 20,216.06

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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.