Home / 16,919.62-23,353.76-9,847.40

Finding the Fourth Proportional to 16,919.62, 23,353.76 and 9,847.40

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Solution

The fourth proportional to 16,919.62, 23,353.76 and 9,847.40 is: 13,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.62 : 23,353.76 = 9,847.40 : x
  2. Step 2: Convert to fraction form
    16,919.62/23,353.76 = 9,847.40/x
  3. Step 3: Cross multiply
    16,919.62x = 23,353.76 × 9,847.40
  4. Step 4: Simplify right side
    16,919.62x = 229,973,816.22
  5. Step 5: Solve for x
    x = 229,973,816.22/16,919.62
  6. Step 6: Final answer
    x = 13,592.14

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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.