Home / 16,987.57-23,443.44-9,434.03

Finding the Fourth Proportional to 16,987.57, 23,443.44 and 9,434.03

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Solution

The fourth proportional to 16,987.57, 23,443.44 and 9,434.03 is: 13,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.57 : 23,443.44 = 9,434.03 : x
  2. Step 2: Convert to fraction form
    16,987.57/23,443.44 = 9,434.03/x
  3. Step 3: Cross multiply
    16,987.57x = 23,443.44 × 9,434.03
  4. Step 4: Simplify right side
    16,987.57x = 221,166,043.27
  5. Step 5: Solve for x
    x = 221,166,043.27/16,987.57
  6. Step 6: Final answer
    x = 13,019.29

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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.