Home / 21,473.51-29,641.14-16,183.40

Finding the Fourth Proportional to 21,473.51, 29,641.14 and 16,183.40

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Solution

The fourth proportional to 21,473.51, 29,641.14 and 16,183.40 is: 22,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.51 : 29,641.14 = 16,183.40 : x
  2. Step 2: Convert to fraction form
    21,473.51/29,641.14 = 16,183.40/x
  3. Step 3: Cross multiply
    21,473.51x = 29,641.14 × 16,183.40
  4. Step 4: Simplify right side
    21,473.51x = 479,694,276.87
  5. Step 5: Solve for x
    x = 479,694,276.87/21,473.51
  6. Step 6: Final answer
    x = 22,338.89

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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.