Home / 16,953.79-23,396.20-9,400.19

Finding the Fourth Proportional to 16,953.79, 23,396.20 and 9,400.19

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Solution

The fourth proportional to 16,953.79, 23,396.20 and 9,400.19 is: 12,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.79 : 23,396.20 = 9,400.19 : x
  2. Step 2: Convert to fraction form
    16,953.79/23,396.20 = 9,400.19/x
  3. Step 3: Cross multiply
    16,953.79x = 23,396.20 × 9,400.19
  4. Step 4: Simplify right side
    16,953.79x = 219,928,725.28
  5. Step 5: Solve for x
    x = 219,928,725.28/16,953.79
  6. Step 6: Final answer
    x = 12,972.25

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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.