Home / 16,958.06-23,402.07-9,404.45

Finding the Fourth Proportional to 16,958.06, 23,402.07 and 9,404.45

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Solution

The fourth proportional to 16,958.06, 23,402.07 and 9,404.45 is: 12,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.06 : 23,402.07 = 9,404.45 : x
  2. Step 2: Convert to fraction form
    16,958.06/23,402.07 = 9,404.45/x
  3. Step 3: Cross multiply
    16,958.06x = 23,402.07 × 9,404.45
  4. Step 4: Simplify right side
    16,958.06x = 220,083,480.20
  5. Step 5: Solve for x
    x = 220,083,480.20/16,958.06
  6. Step 6: Final answer
    x = 12,978.11

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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.