Home / 17,389.80-23,954.16-16,114.02

Finding the Fourth Proportional to 17,389.80, 23,954.16 and 16,114.02

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Solution

The fourth proportional to 17,389.80, 23,954.16 and 16,114.02 is: 22,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.80 : 23,954.16 = 16,114.02 : x
  2. Step 2: Convert to fraction form
    17,389.80/23,954.16 = 16,114.02/x
  3. Step 3: Cross multiply
    17,389.80x = 23,954.16 × 16,114.02
  4. Step 4: Simplify right side
    17,389.80x = 385,997,813.32
  5. Step 5: Solve for x
    x = 385,997,813.32/17,389.80
  6. Step 6: Final answer
    x = 22,196.79

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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.