Home / 16,355.60-22,563.18-9,636.64

Finding the Fourth Proportional to 16,355.60, 22,563.18 and 9,636.64

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Solution

The fourth proportional to 16,355.60, 22,563.18 and 9,636.64 is: 13,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,355.60 : 22,563.18 = 9,636.64 : x
  2. Step 2: Convert to fraction form
    16,355.60/22,563.18 = 9,636.64/x
  3. Step 3: Cross multiply
    16,355.60x = 22,563.18 × 9,636.64
  4. Step 4: Simplify right side
    16,355.60x = 217,433,242.92
  5. Step 5: Solve for x
    x = 217,433,242.92/16,355.60
  6. Step 6: Final answer
    x = 13,294.12

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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.