Home / 22,043.27-30,399.14-16,999.40

Finding the Fourth Proportional to 22,043.27, 30,399.14 and 16,999.40

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Solution

The fourth proportional to 22,043.27, 30,399.14 and 16,999.40 is: 23,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,043.27 : 30,399.14 = 16,999.40 : x
  2. Step 2: Convert to fraction form
    22,043.27/30,399.14 = 16,999.40/x
  3. Step 3: Cross multiply
    22,043.27x = 30,399.14 × 16,999.40
  4. Step 4: Simplify right side
    22,043.27x = 516,767,140.52
  5. Step 5: Solve for x
    x = 516,767,140.52/22,043.27
  6. Step 6: Final answer
    x = 23,443.31

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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.