Home / 16,954.90-23,400.18-9,402.91

Finding the Fourth Proportional to 16,954.90, 23,400.18 and 9,402.91

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Solution

The fourth proportional to 16,954.90, 23,400.18 and 9,402.91 is: 12,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.90 : 23,400.18 = 9,402.91 : x
  2. Step 2: Convert to fraction form
    16,954.90/23,400.18 = 9,402.91/x
  3. Step 3: Cross multiply
    16,954.90x = 23,400.18 × 9,402.91
  4. Step 4: Simplify right side
    16,954.90x = 220,029,728.02
  5. Step 5: Solve for x
    x = 220,029,728.02/16,954.90
  6. Step 6: Final answer
    x = 12,977.36

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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.