Home / 21,164.24-29,200.74-16,674.06

Finding the Fourth Proportional to 21,164.24, 29,200.74 and 16,674.06

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Solution

The fourth proportional to 21,164.24, 29,200.74 and 16,674.06 is: 23,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.24 : 29,200.74 = 16,674.06 : x
  2. Step 2: Convert to fraction form
    21,164.24/29,200.74 = 16,674.06/x
  3. Step 3: Cross multiply
    21,164.24x = 29,200.74 × 16,674.06
  4. Step 4: Simplify right side
    21,164.24x = 486,894,890.80
  5. Step 5: Solve for x
    x = 486,894,890.80/21,164.24
  6. Step 6: Final answer
    x = 23,005.55

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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.