Home / 20,952.45-31,429.08-16,773.06

Finding the Fourth Proportional to 20,952.45, 31,429.08 and 16,773.06

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Solution

The fourth proportional to 20,952.45, 31,429.08 and 16,773.06 is: 25,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952.45 : 31,429.08 = 16,773.06 : x
  2. Step 2: Convert to fraction form
    20,952.45/31,429.08 = 16,773.06/x
  3. Step 3: Cross multiply
    20,952.45x = 31,429.08 × 16,773.06
  4. Step 4: Simplify right side
    20,952.45x = 527,161,844.58
  5. Step 5: Solve for x
    x = 527,161,844.58/20,952.45
  6. Step 6: Final answer
    x = 25,159.91

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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.